21219570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 63980928

約数和(自身を除く): 42761358

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 27, 30, 34, 45, 46, 51, 54, 67, 69, 81, 85, 90, 102, 115, 134, 135, 138, 153, 162, 170, 201, 207, 230, 255, 270, 306, 335, 345, 391, 402, 405, 414, 459, 510, 603, 621, 670, 690, 765, 782, 810, 918, 1005, 1035, 1139, 1173, 1206, 1242, 1377, 1530, 1541, 1809, 1863, 1955, 2010, 2070, 2278, 2295, 2346, 2754, 3015, 3082, 3105, 3417, 3519, 3618, 3726, 3910, 4590, 4623, 5427, 5695, 5865, 6030, 6210, 6834, 6885, 7038, 7705, 9045, 9246, 9315, 10251, 10557, 10854, 11390, 11730, 13770, 13869, 15410, 17085, 17595, 18090, 18630, 20502, 21114, 23115, 26197, 27135, 27738, 30753, 31671, 34170, 35190, 41607, 46230, 51255, 52394, 52785, 54270, 61506, 63342, 69345, 78591, 83214, 92259, 102510, 105570, 124821, 130985, 138690, 153765, 157182, 158355, 184518, 208035, 235773, 249642, 261970, 307530, 316710, 392955, 416070, 461295, 471546, 624105, 707319, 785910, 922590, 1178865, 1248210, 1414638, 2121957, 2357730, 3536595, 4243914, 7073190, 10609785, 21219570]

約数ペア:

[(1, 21219570), (2, 10609785), (3, 7073190), (5, 4243914), (6, 3536595), (9, 2357730), (10, 2121957), (15, 1414638), (17, 1248210), (18, 1178865), (23, 922590), (27, 785910), (30, 707319), (34, 624105), (45, 471546), (46, 461295), (51, 416070), (54, 392955), (67, 316710), (69, 307530), (81, 261970), (85, 249642), (90, 235773), (102, 208035), (115, 184518), (134, 158355), (135, 157182), (138, 153765), (153, 138690), (162, 130985), (170, 124821), (201, 105570), (207, 102510), (230, 92259), (255, 83214), (270, 78591), (306, 69345), (335, 63342), (345, 61506), (391, 54270), (402, 52785), (405, 52394), (414, 51255), (459, 46230), (510, 41607), (603, 35190), (621, 34170), (670, 31671), (690, 30753), (765, 27738), (782, 27135), (810, 26197), (918, 23115), (1005, 21114), (1035, 20502), (1139, 18630), (1173, 18090), (1206, 17595), (1242, 17085), (1377, 15410), (1530, 13869), (1541, 13770), (1809, 11730), (1863, 11390), (1955, 10854), (2010, 10557), (2070, 10251), (2278, 9315), (2295, 9246), (2346, 9045), (2754, 7705), (3015, 7038), (3082, 6885), (3105, 6834), (3417, 6210), (3519, 6030), (3618, 5865), (3726, 5695), (3910, 5427), (4590, 4623)]