21098272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1301

約数の個数: 48

約数和(自身を含む): 45860472

約数和(自身を除く): 24762200

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1237, 1312, 2132, 2474, 4264, 4948, 8528, 9896, 16081, 17056, 19792, 32162, 39584, 50717, 64324, 101434, 128648, 202868, 257296, 405736, 514592, 659321, 811472, 1318642, 1622944, 2637284, 5274568, 10549136, 21098272]

約数ペア:

[(1, 21098272), (2, 10549136), (4, 5274568), (8, 2637284), (13, 1622944), (16, 1318642), (26, 811472), (32, 659321), (41, 514592), (52, 405736), (82, 257296), (104, 202868), (164, 128648), (208, 101434), (328, 64324), (416, 50717), (533, 39584), (656, 32162), (1066, 19792), (1237, 17056), (1312, 16081), (2132, 9896), (2474, 8528), (4264, 4948)]