21049434

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 57148416

約数和(自身を除く): 36098982

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 31, 34, 42, 51, 62, 63, 93, 102, 119, 126, 153, 186, 217, 238, 279, 306, 317, 357, 434, 527, 558, 634, 651, 714, 951, 1054, 1071, 1302, 1581, 1902, 1953, 2142, 2219, 2853, 3162, 3689, 3906, 4438, 4743, 5389, 5706, 6657, 7378, 9486, 9827, 10778, 11067, 13314, 16167, 19654, 19971, 22134, 29481, 32334, 33201, 37723, 39942, 48501, 58962, 66402, 68789, 75446, 88443, 97002, 113169, 137578, 167059, 176886, 206367, 226338, 334118, 339507, 412734, 501177, 619101, 679014, 1002354, 1169413, 1238202, 1503531, 2338826, 3007062, 3508239, 7016478, 10524717, 21049434]

約数ペア:

[(1, 21049434), (2, 10524717), (3, 7016478), (6, 3508239), (7, 3007062), (9, 2338826), (14, 1503531), (17, 1238202), (18, 1169413), (21, 1002354), (31, 679014), (34, 619101), (42, 501177), (51, 412734), (62, 339507), (63, 334118), (93, 226338), (102, 206367), (119, 176886), (126, 167059), (153, 137578), (186, 113169), (217, 97002), (238, 88443), (279, 75446), (306, 68789), (317, 66402), (357, 58962), (434, 48501), (527, 39942), (558, 37723), (634, 33201), (651, 32334), (714, 29481), (951, 22134), (1054, 19971), (1071, 19654), (1302, 16167), (1581, 13314), (1902, 11067), (1953, 10778), (2142, 9827), (2219, 9486), (2853, 7378), (3162, 6657), (3689, 5706), (3906, 5389), (4438, 4743)]