21650214

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 27120858

約数列:

[1, 2, 3, 6, 17, 31, 34, 41, 51, 62, 82, 93, 102, 123, 167, 186, 246, 334, 501, 527, 697, 1002, 1054, 1271, 1394, 1581, 2091, 2542, 2839, 3162, 3813, 4182, 5177, 5678, 6847, 7626, 8517, 10354, 13694, 15531, 17034, 20541, 21607, 31062, 41082, 43214, 64821, 88009, 116399, 129642, 176018, 212257, 232798, 264027, 349197, 424514, 528054, 636771, 698394, 1273542, 3608369, 7216738, 10825107, 21650214]

約数ペア:

[(1, 21650214), (2, 10825107), (3, 7216738), (6, 3608369), (17, 1273542), (31, 698394), (34, 636771), (41, 528054), (51, 424514), (62, 349197), (82, 264027), (93, 232798), (102, 212257), (123, 176018), (167, 129642), (186, 116399), (246, 88009), (334, 64821), (501, 43214), (527, 41082), (697, 31062), (1002, 21607), (1054, 20541), (1271, 17034), (1394, 15531), (1581, 13694), (2091, 10354), (2542, 8517), (2839, 7626), (3162, 6847), (3813, 5678), (4182, 5177)]