20211828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 59006976

約数和(自身を除く): 38795148

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 83, 84, 91, 156, 166, 182, 223, 249, 273, 332, 364, 446, 498, 546, 581, 669, 892, 996, 1079, 1092, 1162, 1338, 1561, 1743, 2158, 2324, 2676, 2899, 3122, 3237, 3486, 4316, 4683, 5798, 6244, 6474, 6972, 7553, 8697, 9366, 11596, 12948, 15106, 17394, 18509, 18732, 20293, 22659, 30212, 34788, 37018, 40586, 45318, 55527, 60879, 74036, 81172, 90636, 111054, 121758, 129563, 222108, 240617, 243516, 259126, 388689, 481234, 518252, 721851, 777378, 962468, 1443702, 1554756, 1684319, 2887404, 3368638, 5052957, 6737276, 10105914, 20211828]

約数ペア:

[(1, 20211828), (2, 10105914), (3, 6737276), (4, 5052957), (6, 3368638), (7, 2887404), (12, 1684319), (13, 1554756), (14, 1443702), (21, 962468), (26, 777378), (28, 721851), (39, 518252), (42, 481234), (52, 388689), (78, 259126), (83, 243516), (84, 240617), (91, 222108), (156, 129563), (166, 121758), (182, 111054), (223, 90636), (249, 81172), (273, 74036), (332, 60879), (364, 55527), (446, 45318), (498, 40586), (546, 37018), (581, 34788), (669, 30212), (892, 22659), (996, 20293), (1079, 18732), (1092, 18509), (1162, 17394), (1338, 15106), (1561, 12948), (1743, 11596), (2158, 9366), (2324, 8697), (2676, 7553), (2899, 6972), (3122, 6474), (3237, 6244), (3486, 5798), (4316, 4683)]