21907872

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10867}}^1$

素因数の和:10890

約数の個数: 72

約数和(自身を含む): 71207136

約数和(自身を除く): 49299264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10867, 21734, 32601, 43468, 65202, 76069, 86936, 97803, 130404, 152138, 173872, 195606, 228207, 260808, 304276, 347744, 391212, 456414, 521616, 608552, 684621, 782424, 912828, 1043232, 1217104, 1369242, 1564848, 1825656, 2434208, 2738484, 3129696, 3651312, 5476968, 7302624, 10953936, 21907872]

約数ペア:

[(1, 21907872), (2, 10953936), (3, 7302624), (4, 5476968), (6, 3651312), (7, 3129696), (8, 2738484), (9, 2434208), (12, 1825656), (14, 1564848), (16, 1369242), (18, 1217104), (21, 1043232), (24, 912828), (28, 782424), (32, 684621), (36, 608552), (42, 521616), (48, 456414), (56, 391212), (63, 347744), (72, 304276), (84, 260808), (96, 228207), (112, 195606), (126, 173872), (144, 152138), (168, 130404), (224, 97803), (252, 86936), (288, 76069), (336, 65202), (504, 43468), (672, 32601), (1008, 21734), (2016, 10867)]