21103933984

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{64663}}^1$

素因数の和:64758

約数の個数: 96

約数和(自身を含む): 50059247616

約数和(自身を除く): 28955313632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 47, 56, 62, 94, 112, 124, 188, 217, 224, 248, 329, 376, 434, 496, 658, 752, 868, 992, 1316, 1457, 1504, 1736, 2632, 2914, 3472, 5264, 5828, 6944, 10199, 10528, 11656, 20398, 23312, 40796, 46624, 64663, 81592, 129326, 163184, 258652, 326368, 452641, 517304, 905282, 1034608, 1810564, 2004553, 2069216, 3039161, 3621128, 4009106, 6078322, 7242256, 8018212, 12156644, 14031871, 14484512, 16036424, 21274127, 24313288, 28063742, 32072848, 42548254, 48626576, 56127484, 64145696, 85096508, 94213991, 97253152, 112254968, 170193016, 188427982, 224509936, 340386032, 376855964, 449019872, 659497937, 680772064, 753711928, 1318995874, 1507423856, 2637991748, 3014847712, 5275983496, 10551966992, 21103933984]

約数ペア:

[(1, 21103933984), (2, 10551966992), (4, 5275983496), (7, 3014847712), (8, 2637991748), (14, 1507423856), (16, 1318995874), (28, 753711928), (31, 680772064), (32, 659497937), (47, 449019872), (56, 376855964), (62, 340386032), (94, 224509936), (112, 188427982), (124, 170193016), (188, 112254968), (217, 97253152), (224, 94213991), (248, 85096508), (329, 64145696), (376, 56127484), (434, 48626576), (496, 42548254), (658, 32072848), (752, 28063742), (868, 24313288), (992, 21274127), (1316, 16036424), (1457, 14484512), (1504, 14031871), (1736, 12156644), (2632, 8018212), (2914, 7242256), (3472, 6078322), (5264, 4009106), (5828, 3621128), (6944, 3039161), (10199, 2069216), (10528, 2004553), (11656, 1810564), (20398, 1034608), (23312, 905282), (40796, 517304), (46624, 452641), (64663, 326368), (81592, 258652), (129326, 163184)]