21856512

素因数分解:

$2^8\times 3^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 58867200

約数和(自身を除く): 37010688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 149, 191, 192, 256, 298, 382, 384, 447, 573, 596, 764, 768, 894, 1146, 1192, 1528, 1788, 2292, 2384, 3056, 3576, 4584, 4768, 6112, 7152, 9168, 9536, 12224, 14304, 18336, 19072, 24448, 28459, 28608, 36672, 38144, 48896, 56918, 57216, 73344, 85377, 113836, 114432, 146688, 170754, 227672, 341508, 455344, 683016, 910688, 1366032, 1821376, 2732064, 3642752, 5464128, 7285504, 10928256, 21856512]

約数ペア:

[(1, 21856512), (2, 10928256), (3, 7285504), (4, 5464128), (6, 3642752), (8, 2732064), (12, 1821376), (16, 1366032), (24, 910688), (32, 683016), (48, 455344), (64, 341508), (96, 227672), (128, 170754), (149, 146688), (191, 114432), (192, 113836), (256, 85377), (298, 73344), (382, 57216), (384, 56918), (447, 48896), (573, 38144), (596, 36672), (764, 28608), (768, 28459), (894, 24448), (1146, 19072), (1192, 18336), (1528, 14304), (1788, 12224), (2292, 9536), (2384, 9168), (3056, 7152), (3576, 6112), (4584, 4768)]