21777136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:166

約数の個数: 60

約数和(自身を含む): 47421072

約数和(自身を除く): 25643936

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 59, 68, 92, 118, 136, 184, 236, 272, 368, 391, 472, 782, 944, 1003, 1357, 1564, 2006, 2714, 3128, 3481, 4012, 5428, 6256, 6962, 8024, 10856, 13924, 16048, 21712, 23069, 27848, 46138, 55696, 59177, 80063, 92276, 118354, 160126, 184552, 236708, 320252, 369104, 473416, 640504, 946832, 1281008, 1361071, 2722142, 5444284, 10888568, 21777136]

約数ペア:

[(1, 21777136), (2, 10888568), (4, 5444284), (8, 2722142), (16, 1361071), (17, 1281008), (23, 946832), (34, 640504), (46, 473416), (59, 369104), (68, 320252), (92, 236708), (118, 184552), (136, 160126), (184, 118354), (236, 92276), (272, 80063), (368, 59177), (391, 55696), (472, 46138), (782, 27848), (944, 23069), (1003, 21712), (1357, 16048), (1564, 13924), (2006, 10856), (2714, 8024), (3128, 6962), (3481, 6256), (4012, 5428)]