213219390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{100103}}^1$

素因数の和:100184

約数の個数: 32

約数和(自身を含む): 518939136

約数和(自身を除く): 305719746

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 100103, 200206, 300309, 500515, 600618, 1001030, 1501545, 3003090, 7107313, 14214626, 21321939, 35536565, 42643878, 71073130, 106609695, 213219390]

約数ペア:

[(1, 213219390), (2, 106609695), (3, 71073130), (5, 42643878), (6, 35536565), (10, 21321939), (15, 14214626), (30, 7107313), (71, 3003090), (142, 1501545), (213, 1001030), (355, 600618), (426, 500515), (710, 300309), (1065, 200206), (2130, 100103)]