21103640488

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{73303}}^1$

素因数の和:73466

約数の個数: 64

約数和(自身を含む): 46550972160

約数和(自身を除く): 25447331672

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 97, 106, 194, 212, 371, 388, 424, 679, 742, 776, 1358, 1484, 2716, 2968, 5141, 5432, 10282, 20564, 35987, 41128, 71974, 73303, 143948, 146606, 287896, 293212, 513121, 586424, 1026242, 2052484, 3885059, 4104968, 7110391, 7770118, 14220782, 15540236, 27195413, 28441564, 31080472, 49772737, 54390826, 56883128, 99545474, 108781652, 199090948, 217563304, 376850723, 398181896, 753701446, 1507402892, 2637955061, 3014805784, 5275910122, 10551820244, 21103640488]

約数ペア:

[(1, 21103640488), (2, 10551820244), (4, 5275910122), (7, 3014805784), (8, 2637955061), (14, 1507402892), (28, 753701446), (53, 398181896), (56, 376850723), (97, 217563304), (106, 199090948), (194, 108781652), (212, 99545474), (371, 56883128), (388, 54390826), (424, 49772737), (679, 31080472), (742, 28441564), (776, 27195413), (1358, 15540236), (1484, 14220782), (2716, 7770118), (2968, 7110391), (5141, 4104968), (5432, 3885059), (10282, 2052484), (20564, 1026242), (35987, 586424), (41128, 513121), (71974, 293212), (73303, 287896), (143948, 146606)]