21762636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39201204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 71, 82, 84, 89, 123, 142, 164, 178, 213, 246, 267, 284, 287, 356, 426, 492, 497, 534, 574, 623, 852, 861, 994, 1068, 1148, 1246, 1491, 1722, 1869, 1988, 2492, 2911, 2982, 3444, 3649, 3738, 5822, 5964, 6319, 7298, 7476, 8733, 10947, 11644, 12638, 14596, 17466, 18957, 20377, 21894, 25276, 25543, 34932, 37914, 40754, 43788, 44233, 51086, 61131, 75828, 76629, 81508, 88466, 102172, 122262, 132699, 153258, 176932, 244524, 259079, 265398, 306516, 518158, 530796, 777237, 1036316, 1554474, 1813553, 3108948, 3627106, 5440659, 7254212, 10881318, 21762636]

約数ペア:

[(1, 21762636), (2, 10881318), (3, 7254212), (4, 5440659), (6, 3627106), (7, 3108948), (12, 1813553), (14, 1554474), (21, 1036316), (28, 777237), (41, 530796), (42, 518158), (71, 306516), (82, 265398), (84, 259079), (89, 244524), (123, 176932), (142, 153258), (164, 132699), (178, 122262), (213, 102172), (246, 88466), (267, 81508), (284, 76629), (287, 75828), (356, 61131), (426, 51086), (492, 44233), (497, 43788), (534, 40754), (574, 37914), (623, 34932), (852, 25543), (861, 25276), (994, 21894), (1068, 20377), (1148, 18957), (1246, 17466), (1491, 14596), (1722, 12638), (1869, 11644), (1988, 10947), (2492, 8733), (2911, 7476), (2982, 7298), (3444, 6319), (3649, 5964), (3738, 5822)]