21477222

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5399}}^1$

素因数の和:5437

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 31593978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5399, 10798, 16197, 32394, 48591, 70187, 91783, 97182, 140374, 183566, 210561, 275349, 421122, 550698, 631683, 826047, 1193179, 1263366, 1652094, 2386358, 3579537, 7159074, 10738611, 21477222]

約数ペア:

[(1, 21477222), (2, 10738611), (3, 7159074), (6, 3579537), (9, 2386358), (13, 1652094), (17, 1263366), (18, 1193179), (26, 826047), (34, 631683), (39, 550698), (51, 421122), (78, 275349), (102, 210561), (117, 183566), (153, 140374), (221, 97182), (234, 91783), (306, 70187), (442, 48591), (663, 32394), (1326, 16197), (1989, 10798), (3978, 5399)]