21527184

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 64440320

約数和(自身を除く): 42913136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 79, 84, 112, 158, 168, 237, 316, 336, 474, 553, 632, 811, 948, 1106, 1264, 1622, 1659, 1896, 2212, 2433, 3244, 3318, 3792, 4424, 4866, 5677, 6488, 6636, 8848, 9732, 11354, 12976, 13272, 17031, 19464, 22708, 26544, 34062, 38928, 45416, 64069, 68124, 90832, 128138, 136248, 192207, 256276, 272496, 384414, 448483, 512552, 768828, 896966, 1025104, 1345449, 1537656, 1793932, 2690898, 3075312, 3587864, 5381796, 7175728, 10763592, 21527184]

約数ペア:

[(1, 21527184), (2, 10763592), (3, 7175728), (4, 5381796), (6, 3587864), (7, 3075312), (8, 2690898), (12, 1793932), (14, 1537656), (16, 1345449), (21, 1025104), (24, 896966), (28, 768828), (42, 512552), (48, 448483), (56, 384414), (79, 272496), (84, 256276), (112, 192207), (158, 136248), (168, 128138), (237, 90832), (316, 68124), (336, 64069), (474, 45416), (553, 38928), (632, 34062), (811, 26544), (948, 22708), (1106, 19464), (1264, 17031), (1622, 13272), (1659, 12976), (1896, 11354), (2212, 9732), (2433, 8848), (3244, 6636), (3318, 6488), (3792, 5677), (4424, 4866)]