21211872

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 40840608

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 53, 66, 88, 96, 106, 132, 159, 176, 212, 264, 318, 352, 379, 424, 528, 583, 636, 758, 848, 1056, 1137, 1166, 1272, 1516, 1696, 1749, 2274, 2332, 2544, 3032, 3498, 4169, 4548, 4664, 5088, 6064, 6996, 8338, 9096, 9328, 12128, 12507, 13992, 16676, 18192, 18656, 20087, 25014, 27984, 33352, 36384, 40174, 50028, 55968, 60261, 66704, 80348, 100056, 120522, 133408, 160696, 200112, 220957, 241044, 321392, 400224, 441914, 482088, 642784, 662871, 883828, 964176, 1325742, 1767656, 1928352, 2651484, 3535312, 5302968, 7070624, 10605936, 21211872]

約数ペア:

[(1, 21211872), (2, 10605936), (3, 7070624), (4, 5302968), (6, 3535312), (8, 2651484), (11, 1928352), (12, 1767656), (16, 1325742), (22, 964176), (24, 883828), (32, 662871), (33, 642784), (44, 482088), (48, 441914), (53, 400224), (66, 321392), (88, 241044), (96, 220957), (106, 200112), (132, 160696), (159, 133408), (176, 120522), (212, 100056), (264, 80348), (318, 66704), (352, 60261), (379, 55968), (424, 50028), (528, 40174), (583, 36384), (636, 33352), (758, 27984), (848, 25014), (1056, 20087), (1137, 18656), (1166, 18192), (1272, 16676), (1516, 13992), (1696, 12507), (1749, 12128), (2274, 9328), (2332, 9096), (2544, 8338), (3032, 6996), (3498, 6064), (4169, 5088), (4548, 4664)]