21490624920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1097}}^1\times {\mathrm{2767}}^1$

素因数の和:3937

約数の個数: 128

約数和(自身を含む): 65648102400

約数和(自身を除く): 44157477480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1097, 1180, 1416, 1770, 2194, 2360, 2767, 3291, 3540, 4388, 5485, 5534, 6582, 7080, 8301, 8776, 10970, 11068, 13164, 13835, 16455, 16602, 21940, 22136, 26328, 27670, 32910, 33204, 41505, 43880, 55340, 64723, 65820, 66408, 83010, 110680, 129446, 131640, 163253, 166020, 194169, 258892, 323615, 326506, 332040, 388338, 489759, 517784, 647230, 653012, 776676, 816265, 970845, 979518, 1294460, 1306024, 1553352, 1632530, 1941690, 1959036, 2448795, 2588920, 3035399, 3265060, 3883380, 3918072, 4897590, 6070798, 6530120, 7766760, 9106197, 9795180, 12141596, 15176995, 18212394, 19590360, 24283192, 30353990, 36424788, 45530985, 60707980, 72849576, 91061970, 121415960, 179088541, 182123940, 358177082, 364247880, 537265623, 716354164, 895442705, 1074531246, 1432708328, 1790885410, 2149062492, 2686328115, 3581770820, 4298124984, 5372656230, 7163541640, 10745312460, 21490624920]

約数ペア:

[(1, 21490624920), (2, 10745312460), (3, 7163541640), (4, 5372656230), (5, 4298124984), (6, 3581770820), (8, 2686328115), (10, 2149062492), (12, 1790885410), (15, 1432708328), (20, 1074531246), (24, 895442705), (30, 716354164), (40, 537265623), (59, 364247880), (60, 358177082), (118, 182123940), (120, 179088541), (177, 121415960), (236, 91061970), (295, 72849576), (354, 60707980), (472, 45530985), (590, 36424788), (708, 30353990), (885, 24283192), (1097, 19590360), (1180, 18212394), (1416, 15176995), (1770, 12141596), (2194, 9795180), (2360, 9106197), (2767, 7766760), (3291, 6530120), (3540, 6070798), (4388, 4897590), (5485, 3918072), (5534, 3883380), (6582, 3265060), (7080, 3035399), (8301, 2588920), (8776, 2448795), (10970, 1959036), (11068, 1941690), (13164, 1632530), (13835, 1553352), (16455, 1306024), (16602, 1294460), (21940, 979518), (22136, 970845), (26328, 816265), (27670, 776676), (32910, 653012), (33204, 647230), (41505, 517784), (43880, 489759), (55340, 388338), (64723, 332040), (65820, 326506), (66408, 323615), (83010, 258892), (110680, 194169), (129446, 166020), (131640, 163253)]