21494697416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{123289}}^1$

素因数の和:123382

約数の個数: 64

約数和(自身を含む): 44976192000

約数和(自身を除く): 23481494584

約数列:

[1, 2, 4, 8, 19, 31, 37, 38, 62, 74, 76, 124, 148, 152, 248, 296, 589, 703, 1147, 1178, 1406, 2294, 2356, 2812, 4588, 4712, 5624, 9176, 21793, 43586, 87172, 123289, 174344, 246578, 493156, 986312, 2342491, 3821959, 4561693, 4684982, 7643918, 9123386, 9369964, 15287836, 18246772, 18739928, 30575672, 36493544, 72617221, 86672167, 141412483, 145234442, 173344334, 282824966, 290468884, 346688668, 565649932, 580937768, 693377336, 1131299864, 2686837177, 5373674354, 10747348708, 21494697416]

約数ペア:

[(1, 21494697416), (2, 10747348708), (4, 5373674354), (8, 2686837177), (19, 1131299864), (31, 693377336), (37, 580937768), (38, 565649932), (62, 346688668), (74, 290468884), (76, 282824966), (124, 173344334), (148, 145234442), (152, 141412483), (248, 86672167), (296, 72617221), (589, 36493544), (703, 30575672), (1147, 18739928), (1178, 18246772), (1406, 15287836), (2294, 9369964), (2356, 9123386), (2812, 7643918), (4588, 4684982), (4712, 4561693), (5624, 3821959), (9176, 2342491), (21793, 986312), (43586, 493156), (87172, 246578), (123289, 174344)]