21364700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 55329792

約数和(自身を除く): 33965092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1327, 1610, 2300, 2654, 3220, 4025, 5308, 6635, 8050, 9289, 13270, 16100, 18578, 26540, 30521, 33175, 37156, 46445, 61042, 66350, 92890, 122084, 132700, 152605, 185780, 213647, 232225, 305210, 427294, 464450, 610420, 763025, 854588, 928900, 1068235, 1526050, 2136470, 3052100, 4272940, 5341175, 10682350, 21364700]

約数ペア:

[(1, 21364700), (2, 10682350), (4, 5341175), (5, 4272940), (7, 3052100), (10, 2136470), (14, 1526050), (20, 1068235), (23, 928900), (25, 854588), (28, 763025), (35, 610420), (46, 464450), (50, 427294), (70, 305210), (92, 232225), (100, 213647), (115, 185780), (140, 152605), (161, 132700), (175, 122084), (230, 92890), (322, 66350), (350, 61042), (460, 46445), (575, 37156), (644, 33175), (700, 30521), (805, 26540), (1150, 18578), (1327, 16100), (1610, 13270), (2300, 9289), (2654, 8050), (3220, 6635), (4025, 5308)]