21926130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 34337550

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 739, 989, 1290, 1478, 1978, 2217, 2967, 3695, 4434, 4945, 5934, 7390, 9890, 11085, 14835, 16997, 22170, 29670, 31777, 33994, 50991, 63554, 84985, 95331, 101982, 158885, 169970, 190662, 254955, 317770, 476655, 509910, 730871, 953310, 1461742, 2192613, 3654355, 4385226, 7308710, 10963065, 21926130]

約数ペア:

[(1, 21926130), (2, 10963065), (3, 7308710), (5, 4385226), (6, 3654355), (10, 2192613), (15, 1461742), (23, 953310), (30, 730871), (43, 509910), (46, 476655), (69, 317770), (86, 254955), (115, 190662), (129, 169970), (138, 158885), (215, 101982), (230, 95331), (258, 84985), (345, 63554), (430, 50991), (645, 33994), (690, 31777), (739, 29670), (989, 22170), (1290, 16997), (1478, 14835), (1978, 11085), (2217, 9890), (2967, 7390), (3695, 5934), (4434, 4945)]