21686130

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 80

約数和(自身を含む): 59825304

約数和(自身を除く): 38139174

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 246, 270, 369, 405, 410, 615, 653, 738, 810, 1107, 1230, 1306, 1845, 1959, 2214, 3265, 3321, 3690, 3918, 5535, 5877, 6530, 6642, 9795, 11070, 11754, 16605, 17631, 19590, 26773, 29385, 33210, 35262, 52893, 53546, 58770, 80319, 88155, 105786, 133865, 160638, 176310, 240957, 264465, 267730, 401595, 481914, 528930, 722871, 803190, 1204785, 1445742, 2168613, 2409570, 3614355, 4337226, 7228710, 10843065, 21686130]

約数ペア:

[(1, 21686130), (2, 10843065), (3, 7228710), (5, 4337226), (6, 3614355), (9, 2409570), (10, 2168613), (15, 1445742), (18, 1204785), (27, 803190), (30, 722871), (41, 528930), (45, 481914), (54, 401595), (81, 267730), (82, 264465), (90, 240957), (123, 176310), (135, 160638), (162, 133865), (205, 105786), (246, 88155), (270, 80319), (369, 58770), (405, 53546), (410, 52893), (615, 35262), (653, 33210), (738, 29385), (810, 26773), (1107, 19590), (1230, 17631), (1306, 16605), (1845, 11754), (1959, 11070), (2214, 9795), (3265, 6642), (3321, 6530), (3690, 5877), (3918, 5535)]