2101428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 6289920

約数和(自身を除く): 4188492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 269, 279, 372, 434, 538, 558, 651, 807, 868, 1076, 1116, 1302, 1614, 1883, 1953, 2421, 2604, 3228, 3766, 3906, 4842, 5649, 7532, 7812, 8339, 9684, 11298, 16678, 16947, 22596, 25017, 33356, 33894, 50034, 58373, 67788, 75051, 100068, 116746, 150102, 175119, 233492, 300204, 350238, 525357, 700476, 1050714, 2101428]

約数ペア:

[(1, 2101428), (2, 1050714), (3, 700476), (4, 525357), (6, 350238), (7, 300204), (9, 233492), (12, 175119), (14, 150102), (18, 116746), (21, 100068), (28, 75051), (31, 67788), (36, 58373), (42, 50034), (62, 33894), (63, 33356), (84, 25017), (93, 22596), (124, 16947), (126, 16678), (186, 11298), (217, 9684), (252, 8339), (269, 7812), (279, 7532), (372, 5649), (434, 4842), (538, 3906), (558, 3766), (651, 3228), (807, 2604), (868, 2421), (1076, 1953), (1116, 1883), (1302, 1614)]