21635824

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 51568128

約数和(自身を除く): 29932304

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 37, 46, 56, 74, 92, 112, 148, 161, 184, 227, 259, 296, 322, 368, 454, 518, 592, 644, 851, 908, 1036, 1288, 1589, 1702, 1816, 2072, 2576, 3178, 3404, 3632, 4144, 5221, 5957, 6356, 6808, 8399, 10442, 11914, 12712, 13616, 16798, 20884, 23828, 25424, 33596, 36547, 41768, 47656, 58793, 67192, 73094, 83536, 95312, 117586, 134384, 146188, 193177, 235172, 292376, 386354, 470344, 584752, 772708, 940688, 1352239, 1545416, 2704478, 3090832, 5408956, 10817912, 21635824]

約数ペア:

[(1, 21635824), (2, 10817912), (4, 5408956), (7, 3090832), (8, 2704478), (14, 1545416), (16, 1352239), (23, 940688), (28, 772708), (37, 584752), (46, 470344), (56, 386354), (74, 292376), (92, 235172), (112, 193177), (148, 146188), (161, 134384), (184, 117586), (227, 95312), (259, 83536), (296, 73094), (322, 67192), (368, 58793), (454, 47656), (518, 41768), (592, 36547), (644, 33596), (851, 25424), (908, 23828), (1036, 20884), (1288, 16798), (1589, 13616), (1702, 12712), (1816, 11914), (2072, 10442), (2576, 8399), (3178, 6808), (3404, 6356), (3632, 5957), (4144, 5221)]