21357270

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 46573866

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 27, 30, 33, 34, 45, 47, 51, 54, 55, 66, 81, 85, 90, 94, 99, 102, 110, 135, 141, 153, 162, 165, 170, 187, 198, 235, 243, 255, 270, 282, 297, 306, 330, 374, 405, 423, 459, 470, 486, 495, 510, 517, 561, 594, 705, 765, 799, 810, 846, 891, 918, 935, 990, 1034, 1122, 1215, 1269, 1377, 1410, 1485, 1530, 1551, 1598, 1683, 1782, 1870, 2115, 2295, 2397, 2430, 2538, 2585, 2673, 2754, 2805, 2970, 3102, 3366, 3807, 3995, 4131, 4230, 4455, 4590, 4653, 4794, 5049, 5170, 5346, 5610, 6345, 6885, 7191, 7614, 7755, 7990, 8262, 8415, 8789, 8910, 9306, 10098, 11421, 11985, 12690, 13365, 13770, 13959, 14382, 15147, 15510, 16830, 17578, 19035, 20655, 21573, 22842, 23265, 23970, 25245, 26367, 26730, 27918, 30294, 35955, 38070, 41310, 41877, 43146, 43945, 45441, 46530, 50490, 52734, 57105, 64719, 69795, 71910, 75735, 79101, 83754, 87890, 90882, 107865, 114210, 125631, 129438, 131835, 139590, 151470, 158202, 194157, 209385, 215730, 227205, 237303, 251262, 263670, 323595, 388314, 395505, 418770, 454410, 474606, 628155, 647190, 711909, 791010, 970785, 1186515, 1256310, 1423818, 1941570, 2135727, 2373030, 3559545, 4271454, 7119090, 10678635, 21357270]

約数ペア:

[(1, 21357270), (2, 10678635), (3, 7119090), (5, 4271454), (6, 3559545), (9, 2373030), (10, 2135727), (11, 1941570), (15, 1423818), (17, 1256310), (18, 1186515), (22, 970785), (27, 791010), (30, 711909), (33, 647190), (34, 628155), (45, 474606), (47, 454410), (51, 418770), (54, 395505), (55, 388314), (66, 323595), (81, 263670), (85, 251262), (90, 237303), (94, 227205), (99, 215730), (102, 209385), (110, 194157), (135, 158202), (141, 151470), (153, 139590), (162, 131835), (165, 129438), (170, 125631), (187, 114210), (198, 107865), (235, 90882), (243, 87890), (255, 83754), (270, 79101), (282, 75735), (297, 71910), (306, 69795), (330, 64719), (374, 57105), (405, 52734), (423, 50490), (459, 46530), (470, 45441), (486, 43945), (495, 43146), (510, 41877), (517, 41310), (561, 38070), (594, 35955), (705, 30294), (765, 27918), (799, 26730), (810, 26367), (846, 25245), (891, 23970), (918, 23265), (935, 22842), (990, 21573), (1034, 20655), (1122, 19035), (1215, 17578), (1269, 16830), (1377, 15510), (1410, 15147), (1485, 14382), (1530, 13959), (1551, 13770), (1598, 13365), (1683, 12690), (1782, 11985), (1870, 11421), (2115, 10098), (2295, 9306), (2397, 8910), (2430, 8789), (2538, 8415), (2585, 8262), (2673, 7990), (2754, 7755), (2805, 7614), (2970, 7191), (3102, 6885), (3366, 6345), (3807, 5610), (3995, 5346), (4131, 5170), (4230, 5049), (4455, 4794), (4590, 4653)]