21082165272

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13943231}}^1$

素因数の和:13943253

約数の個数: 64

約数和(自身を含む): 66927513600

約数和(自身を除く): 45845348328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13943231, 27886462, 41829693, 55772924, 83659386, 97602617, 111545848, 125489079, 167318772, 195205234, 250978158, 292807851, 334637544, 376467237, 390410468, 501956316, 585615702, 752934474, 780820936, 878423553, 1003912632, 1171231404, 1505868948, 1756847106, 2342462808, 2635270659, 3011737896, 3513694212, 5270541318, 7027388424, 10541082636, 21082165272]

約数ペア:

[(1, 21082165272), (2, 10541082636), (3, 7027388424), (4, 5270541318), (6, 3513694212), (7, 3011737896), (8, 2635270659), (9, 2342462808), (12, 1756847106), (14, 1505868948), (18, 1171231404), (21, 1003912632), (24, 878423553), (27, 780820936), (28, 752934474), (36, 585615702), (42, 501956316), (54, 390410468), (56, 376467237), (63, 334637544), (72, 292807851), (84, 250978158), (108, 195205234), (126, 167318772), (168, 125489079), (189, 111545848), (216, 97602617), (252, 83659386), (378, 55772924), (504, 41829693), (756, 27886462), (1512, 13943231)]