21152414640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12590723}}^1$

素因数の和:12590746

約数の個数: 80

約数和(自身を含む): 74939989248

約数和(自身を除く): 53787574608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12590723, 25181446, 37772169, 50362892, 62953615, 75544338, 88135061, 100725784, 125907230, 151088676, 176270122, 188860845, 201451568, 251814460, 264405183, 302177352, 352540244, 377721690, 440675305, 503628920, 528810366, 604354704, 705080488, 755443380, 881350610, 1007257840, 1057620732, 1322025915, 1410160976, 1510886760, 1762701220, 2115241464, 2644051830, 3021773520, 3525402440, 4230482928, 5288103660, 7050804880, 10576207320, 21152414640]

約数ペア:

[(1, 21152414640), (2, 10576207320), (3, 7050804880), (4, 5288103660), (5, 4230482928), (6, 3525402440), (7, 3021773520), (8, 2644051830), (10, 2115241464), (12, 1762701220), (14, 1510886760), (15, 1410160976), (16, 1322025915), (20, 1057620732), (21, 1007257840), (24, 881350610), (28, 755443380), (30, 705080488), (35, 604354704), (40, 528810366), (42, 503628920), (48, 440675305), (56, 377721690), (60, 352540244), (70, 302177352), (80, 264405183), (84, 251814460), (105, 201451568), (112, 188860845), (120, 176270122), (140, 151088676), (168, 125907230), (210, 100725784), (240, 88135061), (280, 75544338), (336, 62953615), (420, 50362892), (560, 37772169), (840, 25181446), (1680, 12590723)]