21415968

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{3541}}^1$

素因数の和:3567

約数の個数: 96

約数和(自身を含む): 71406720

約数和(自身を除く): 49990752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 3541, 6048, 7082, 10623, 14164, 21246, 24787, 28328, 31869, 42492, 49574, 56656, 63738, 74361, 84984, 95607, 99148, 113312, 127476, 148722, 169968, 191214, 198296, 223083, 254952, 297444, 339936, 382428, 396592, 446166, 509904, 594888, 669249, 764856, 793184, 892332, 1019808, 1189776, 1338498, 1529712, 1784664, 2379552, 2676996, 3059424, 3569328, 5353992, 7138656, 10707984, 21415968]

約数ペア:

[(1, 21415968), (2, 10707984), (3, 7138656), (4, 5353992), (6, 3569328), (7, 3059424), (8, 2676996), (9, 2379552), (12, 1784664), (14, 1529712), (16, 1338498), (18, 1189776), (21, 1019808), (24, 892332), (27, 793184), (28, 764856), (32, 669249), (36, 594888), (42, 509904), (48, 446166), (54, 396592), (56, 382428), (63, 339936), (72, 297444), (84, 254952), (96, 223083), (108, 198296), (112, 191214), (126, 169968), (144, 148722), (168, 127476), (189, 113312), (216, 99148), (224, 95607), (252, 84984), (288, 74361), (336, 63738), (378, 56656), (432, 49574), (504, 42492), (672, 31869), (756, 28328), (864, 24787), (1008, 21246), (1512, 14164), (2016, 10623), (3024, 7082), (3541, 6048)]