21651516

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 38559684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 31, 36, 54, 58, 62, 87, 93, 108, 116, 124, 174, 186, 223, 261, 279, 348, 372, 446, 522, 558, 669, 783, 837, 892, 899, 1044, 1116, 1338, 1566, 1674, 1798, 2007, 2676, 2697, 3132, 3348, 3596, 4014, 5394, 6021, 6467, 6913, 8028, 8091, 10788, 12042, 12934, 13826, 16182, 19401, 20739, 24084, 24273, 25868, 27652, 32364, 38802, 41478, 48546, 58203, 62217, 77604, 82956, 97092, 116406, 124434, 174609, 186651, 200477, 232812, 248868, 349218, 373302, 400954, 601431, 698436, 746604, 801908, 1202862, 1804293, 2405724, 3608586, 5412879, 7217172, 10825758, 21651516]

約数ペア:

[(1, 21651516), (2, 10825758), (3, 7217172), (4, 5412879), (6, 3608586), (9, 2405724), (12, 1804293), (18, 1202862), (27, 801908), (29, 746604), (31, 698436), (36, 601431), (54, 400954), (58, 373302), (62, 349218), (87, 248868), (93, 232812), (108, 200477), (116, 186651), (124, 174609), (174, 124434), (186, 116406), (223, 97092), (261, 82956), (279, 77604), (348, 62217), (372, 58203), (446, 48546), (522, 41478), (558, 38802), (669, 32364), (783, 27652), (837, 25868), (892, 24273), (899, 24084), (1044, 20739), (1116, 19401), (1338, 16182), (1566, 13826), (1674, 12934), (1798, 12042), (2007, 10788), (2676, 8091), (2697, 8028), (3132, 6913), (3348, 6467), (3596, 6021), (4014, 5394)]