21124476

素因数分解:

$2^2\times 3^5\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 56178304

約数和(自身を除く): 35053828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 103, 108, 162, 206, 211, 243, 309, 324, 412, 422, 486, 618, 633, 844, 927, 972, 1236, 1266, 1854, 1899, 2532, 2781, 3708, 3798, 5562, 5697, 7596, 8343, 11124, 11394, 16686, 17091, 21733, 22788, 25029, 33372, 34182, 43466, 50058, 51273, 65199, 68364, 86932, 100116, 102546, 130398, 195597, 205092, 260796, 391194, 586791, 782388, 1173582, 1760373, 2347164, 3520746, 5281119, 7041492, 10562238, 21124476]

約数ペア:

[(1, 21124476), (2, 10562238), (3, 7041492), (4, 5281119), (6, 3520746), (9, 2347164), (12, 1760373), (18, 1173582), (27, 782388), (36, 586791), (54, 391194), (81, 260796), (103, 205092), (108, 195597), (162, 130398), (206, 102546), (211, 100116), (243, 86932), (309, 68364), (324, 65199), (412, 51273), (422, 50058), (486, 43466), (618, 34182), (633, 33372), (844, 25029), (927, 22788), (972, 21733), (1236, 17091), (1266, 16686), (1854, 11394), (1899, 11124), (2532, 8343), (2781, 7596), (3708, 5697), (3798, 5562)]