21000718530

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{261887}}^1$

素因数の和:261923

約数の個数: 112

約数和(自身を含む): 61828614144

約数和(自身を除く): 40827895614

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 243, 270, 297, 330, 405, 486, 495, 594, 729, 810, 891, 990, 1215, 1458, 1485, 1782, 2430, 2673, 2970, 3645, 4455, 5346, 7290, 8019, 8910, 13365, 16038, 26730, 40095, 80190, 261887, 523774, 785661, 1309435, 1571322, 2356983, 2618870, 2880757, 3928305, 4713966, 5761514, 7070949, 7856610, 8642271, 11784915, 14141898, 14403785, 17284542, 21212847, 23569830, 25926813, 28807570, 35354745, 42425694, 43211355, 51853626, 63638541, 70709490, 77780439, 86422710, 106064235, 127277082, 129634065, 155560878, 190915623, 212128470, 233341317, 259268130, 318192705, 381831246, 388902195, 466682634, 636385410, 700023951, 777804390, 954578115, 1166706585, 1400047902, 1909156230, 2100071853, 2333413170, 3500119755, 4200143706, 7000239510, 10500359265, 21000718530]

約数ペア:

[(1, 21000718530), (2, 10500359265), (3, 7000239510), (5, 4200143706), (6, 3500119755), (9, 2333413170), (10, 2100071853), (11, 1909156230), (15, 1400047902), (18, 1166706585), (22, 954578115), (27, 777804390), (30, 700023951), (33, 636385410), (45, 466682634), (54, 388902195), (55, 381831246), (66, 318192705), (81, 259268130), (90, 233341317), (99, 212128470), (110, 190915623), (135, 155560878), (162, 129634065), (165, 127277082), (198, 106064235), (243, 86422710), (270, 77780439), (297, 70709490), (330, 63638541), (405, 51853626), (486, 43211355), (495, 42425694), (594, 35354745), (729, 28807570), (810, 25926813), (891, 23569830), (990, 21212847), (1215, 17284542), (1458, 14403785), (1485, 14141898), (1782, 11784915), (2430, 8642271), (2673, 7856610), (2970, 7070949), (3645, 5761514), (4455, 4713966), (5346, 3928305), (7290, 2880757), (8019, 2618870), (8910, 2356983), (13365, 1571322), (16038, 1309435), (26730, 785661), (40095, 523774), (80190, 261887)]