21214336

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 53121600

約数和(自身を除く): 31907264

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 61, 64, 76, 88, 104, 122, 128, 143, 152, 176, 208, 209, 244, 247, 286, 304, 352, 416, 418, 488, 494, 572, 608, 671, 704, 793, 832, 836, 976, 988, 1144, 1159, 1216, 1342, 1408, 1586, 1664, 1672, 1952, 1976, 2288, 2318, 2432, 2684, 2717, 3172, 3344, 3904, 3952, 4576, 4636, 5368, 5434, 6344, 6688, 7808, 7904, 8723, 9152, 9272, 10736, 10868, 12688, 12749, 13376, 15067, 15808, 17446, 18304, 18544, 21472, 21736, 25376, 25498, 26752, 30134, 31616, 34892, 37088, 42944, 43472, 50752, 50996, 60268, 69784, 74176, 85888, 86944, 101504, 101992, 120536, 139568, 148352, 165737, 173888, 203984, 241072, 279136, 331474, 347776, 407968, 482144, 558272, 662948, 815936, 964288, 1116544, 1325896, 1631872, 1928576, 2651792, 5303584, 10607168, 21214336]

約数ペア:

[(1, 21214336), (2, 10607168), (4, 5303584), (8, 2651792), (11, 1928576), (13, 1631872), (16, 1325896), (19, 1116544), (22, 964288), (26, 815936), (32, 662948), (38, 558272), (44, 482144), (52, 407968), (61, 347776), (64, 331474), (76, 279136), (88, 241072), (104, 203984), (122, 173888), (128, 165737), (143, 148352), (152, 139568), (176, 120536), (208, 101992), (209, 101504), (244, 86944), (247, 85888), (286, 74176), (304, 69784), (352, 60268), (416, 50996), (418, 50752), (488, 43472), (494, 42944), (572, 37088), (608, 34892), (671, 31616), (704, 30134), (793, 26752), (832, 25498), (836, 25376), (976, 21736), (988, 21472), (1144, 18544), (1159, 18304), (1216, 17446), (1342, 15808), (1408, 15067), (1586, 13376), (1664, 12749), (1672, 12688), (1952, 10868), (1976, 10736), (2288, 9272), (2318, 9152), (2432, 8723), (2684, 7904), (2717, 7808), (3172, 6688), (3344, 6344), (3904, 5434), (3952, 5368), (4576, 4636)]