21549390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31231}}^1$

素因数の和:31264

約数の個数: 32

約数和(自身を含む): 53968896

約数和(自身を除く): 32419506

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31231, 62462, 93693, 156155, 187386, 312310, 468465, 718313, 936930, 1436626, 2154939, 3591565, 4309878, 7183130, 10774695, 21549390]

約数ペア:

[(1, 21549390), (2, 10774695), (3, 7183130), (5, 4309878), (6, 3591565), (10, 2154939), (15, 1436626), (23, 936930), (30, 718313), (46, 468465), (69, 312310), (115, 187386), (138, 156155), (230, 93693), (345, 62462), (690, 31231)]