21100104

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1291}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 57442320

約数和(自身を除く): 36342216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1291, 1362, 1816, 2043, 2582, 2724, 3873, 4086, 5164, 5448, 7746, 8172, 10328, 11619, 15492, 16344, 23238, 30984, 46476, 92952, 293057, 586114, 879171, 1172228, 1758342, 2344456, 2637513, 3516684, 5275026, 7033368, 10550052, 21100104]

約数ペア:

[(1, 21100104), (2, 10550052), (3, 7033368), (4, 5275026), (6, 3516684), (8, 2637513), (9, 2344456), (12, 1758342), (18, 1172228), (24, 879171), (36, 586114), (72, 293057), (227, 92952), (454, 46476), (681, 30984), (908, 23238), (1291, 16344), (1362, 15492), (1816, 11619), (2043, 10328), (2582, 8172), (2724, 7746), (3873, 5448), (4086, 5164)]