21746500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 51996672

約数和(自身を除く): 30250172

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 61, 62, 92, 100, 115, 122, 124, 125, 155, 230, 244, 250, 305, 310, 460, 500, 575, 610, 620, 713, 775, 1150, 1220, 1403, 1426, 1525, 1550, 1891, 2300, 2806, 2852, 2875, 3050, 3100, 3565, 3782, 3875, 5612, 5750, 6100, 7015, 7130, 7564, 7625, 7750, 9455, 11500, 14030, 14260, 15250, 15500, 17825, 18910, 28060, 30500, 35075, 35650, 37820, 43493, 47275, 70150, 71300, 86986, 89125, 94550, 140300, 173972, 175375, 178250, 189100, 217465, 236375, 350750, 356500, 434930, 472750, 701500, 869860, 945500, 1087325, 2174650, 4349300, 5436625, 10873250, 21746500]

約数ペア:

[(1, 21746500), (2, 10873250), (4, 5436625), (5, 4349300), (10, 2174650), (20, 1087325), (23, 945500), (25, 869860), (31, 701500), (46, 472750), (50, 434930), (61, 356500), (62, 350750), (92, 236375), (100, 217465), (115, 189100), (122, 178250), (124, 175375), (125, 173972), (155, 140300), (230, 94550), (244, 89125), (250, 86986), (305, 71300), (310, 70150), (460, 47275), (500, 43493), (575, 37820), (610, 35650), (620, 35075), (713, 30500), (775, 28060), (1150, 18910), (1220, 17825), (1403, 15500), (1426, 15250), (1525, 14260), (1550, 14030), (1891, 11500), (2300, 9455), (2806, 7750), (2852, 7625), (2875, 7564), (3050, 7130), (3100, 7015), (3565, 6100), (3782, 5750), (3875, 5612)]