21986021902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{277889}}^1$

素因数の和:278100

約数の個数: 32

約数和(自身を含む): 37815271200

約数和(自身を除く): 15829249298

約数列:

[1, 2, 13, 17, 26, 34, 179, 221, 358, 442, 2327, 3043, 4654, 6086, 39559, 79118, 277889, 555778, 3612557, 4724113, 7225114, 9448226, 49742131, 61413469, 99484262, 122826938, 646647703, 845616227, 1293295406, 1691232454, 10993010951, 21986021902]

約数ペア:

[(1, 21986021902), (2, 10993010951), (13, 1691232454), (17, 1293295406), (26, 845616227), (34, 646647703), (179, 122826938), (221, 99484262), (358, 61413469), (442, 49742131), (2327, 9448226), (3043, 7225114), (4654, 4724113), (6086, 3612557), (39559, 555778), (79118, 277889)]