21053413206532

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3019}}^1\times {\mathrm{4699217}}^1$

素因数の和:4702300

約数の個数: 48

約数和(自身を含む): 42915514400640

約数和(自身を除く): 21862101194108

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 3019, 6038, 12076, 21133, 42266, 84532, 160007, 320014, 640028, 1120049, 2240098, 4480196, 4699217, 9398434, 18796868, 32894519, 65789038, 131578076, 249058501, 498117002, 996234004, 1743409507, 3486819014, 6973638028, 14186936123, 28373872246, 56747744492, 99308552861, 198617105722, 397234211444, 751907614519, 1503815229038, 3007630458076, 5263353301633, 10526706603266, 21053413206532]

約数ペア:

[(1, 21053413206532), (2, 10526706603266), (4, 5263353301633), (7, 3007630458076), (14, 1503815229038), (28, 751907614519), (53, 397234211444), (106, 198617105722), (212, 99308552861), (371, 56747744492), (742, 28373872246), (1484, 14186936123), (3019, 6973638028), (6038, 3486819014), (12076, 1743409507), (21133, 996234004), (42266, 498117002), (84532, 249058501), (160007, 131578076), (320014, 65789038), (640028, 32894519), (1120049, 18796868), (2240098, 9398434), (4480196, 4699217)]