21392910

素因数分解:

$2^1\times 3^4\times 5^1\times 7^4\times {\mathrm{11}}^1$

素因数の和:58

約数の個数: 200

約数和(自身を含む): 73206936

約数和(自身を除く): 51814026

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 49, 54, 55, 63, 66, 70, 77, 81, 90, 98, 99, 105, 110, 126, 135, 147, 154, 162, 165, 189, 198, 210, 231, 245, 270, 294, 297, 315, 330, 343, 378, 385, 405, 441, 462, 490, 495, 539, 567, 594, 630, 686, 693, 735, 770, 810, 882, 891, 945, 990, 1029, 1078, 1134, 1155, 1323, 1386, 1470, 1485, 1617, 1715, 1782, 1890, 2058, 2079, 2205, 2310, 2401, 2646, 2695, 2835, 2970, 3087, 3234, 3430, 3465, 3773, 3969, 4158, 4410, 4455, 4802, 4851, 5145, 5390, 5670, 6174, 6237, 6615, 6930, 7203, 7546, 7938, 8085, 8910, 9261, 9702, 10290, 10395, 11319, 12005, 12474, 13230, 14406, 14553, 15435, 16170, 18522, 18865, 19845, 20790, 21609, 22638, 24010, 24255, 26411, 27783, 29106, 30870, 31185, 33957, 36015, 37730, 39690, 43218, 43659, 46305, 48510, 52822, 55566, 56595, 62370, 64827, 67914, 72030, 72765, 79233, 87318, 92610, 101871, 108045, 113190, 129654, 132055, 138915, 145530, 158466, 169785, 194481, 203742, 216090, 218295, 237699, 264110, 277830, 305613, 324135, 339570, 388962, 396165, 436590, 475398, 509355, 611226, 648270, 713097, 792330, 972405, 1018710, 1188495, 1426194, 1528065, 1944810, 2139291, 2376990, 3056130, 3565485, 4278582, 7130970, 10696455, 21392910]

約数ペア:

[(1, 21392910), (2, 10696455), (3, 7130970), (5, 4278582), (6, 3565485), (7, 3056130), (9, 2376990), (10, 2139291), (11, 1944810), (14, 1528065), (15, 1426194), (18, 1188495), (21, 1018710), (22, 972405), (27, 792330), (30, 713097), (33, 648270), (35, 611226), (42, 509355), (45, 475398), (49, 436590), (54, 396165), (55, 388962), (63, 339570), (66, 324135), (70, 305613), (77, 277830), (81, 264110), (90, 237699), (98, 218295), (99, 216090), (105, 203742), (110, 194481), (126, 169785), (135, 158466), (147, 145530), (154, 138915), (162, 132055), (165, 129654), (189, 113190), (198, 108045), (210, 101871), (231, 92610), (245, 87318), (270, 79233), (294, 72765), (297, 72030), (315, 67914), (330, 64827), (343, 62370), (378, 56595), (385, 55566), (405, 52822), (441, 48510), (462, 46305), (490, 43659), (495, 43218), (539, 39690), (567, 37730), (594, 36015), (630, 33957), (686, 31185), (693, 30870), (735, 29106), (770, 27783), (810, 26411), (882, 24255), (891, 24010), (945, 22638), (990, 21609), (1029, 20790), (1078, 19845), (1134, 18865), (1155, 18522), (1323, 16170), (1386, 15435), (1470, 14553), (1485, 14406), (1617, 13230), (1715, 12474), (1782, 12005), (1890, 11319), (2058, 10395), (2079, 10290), (2205, 9702), (2310, 9261), (2401, 8910), (2646, 8085), (2695, 7938), (2835, 7546), (2970, 7203), (3087, 6930), (3234, 6615), (3430, 6237), (3465, 6174), (3773, 5670), (3969, 5390), (4158, 5145), (4410, 4851), (4455, 4802)]