21929670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 68705280

約数和(自身を除く): 46775610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 82, 90, 105, 123, 126, 135, 189, 205, 210, 246, 270, 283, 287, 315, 369, 378, 410, 566, 574, 615, 630, 738, 849, 861, 945, 1107, 1230, 1415, 1435, 1698, 1722, 1845, 1890, 1981, 2214, 2547, 2583, 2830, 2870, 3690, 3962, 4245, 4305, 5094, 5166, 5535, 5943, 7641, 7749, 8490, 8610, 9905, 11070, 11603, 11886, 12735, 12915, 15282, 15498, 17829, 19810, 23206, 25470, 25830, 29715, 34809, 35658, 38205, 38745, 53487, 58015, 59430, 69618, 76410, 77490, 81221, 89145, 104427, 106974, 116030, 162442, 174045, 178290, 208854, 243663, 267435, 313281, 348090, 406105, 487326, 522135, 534870, 626562, 730989, 812210, 1044270, 1218315, 1461978, 1566405, 2192967, 2436630, 3132810, 3654945, 4385934, 7309890, 10964835, 21929670]

約数ペア:

[(1, 21929670), (2, 10964835), (3, 7309890), (5, 4385934), (6, 3654945), (7, 3132810), (9, 2436630), (10, 2192967), (14, 1566405), (15, 1461978), (18, 1218315), (21, 1044270), (27, 812210), (30, 730989), (35, 626562), (41, 534870), (42, 522135), (45, 487326), (54, 406105), (63, 348090), (70, 313281), (82, 267435), (90, 243663), (105, 208854), (123, 178290), (126, 174045), (135, 162442), (189, 116030), (205, 106974), (210, 104427), (246, 89145), (270, 81221), (283, 77490), (287, 76410), (315, 69618), (369, 59430), (378, 58015), (410, 53487), (566, 38745), (574, 38205), (615, 35658), (630, 34809), (738, 29715), (849, 25830), (861, 25470), (945, 23206), (1107, 19810), (1230, 17829), (1415, 15498), (1435, 15282), (1698, 12915), (1722, 12735), (1845, 11886), (1890, 11603), (1981, 11070), (2214, 9905), (2547, 8610), (2583, 8490), (2830, 7749), (2870, 7641), (3690, 5943), (3962, 5535), (4245, 5166), (4305, 5094)]