21148600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9613}}^1$

素因数の和:9640

約数の個数: 48

約数和(自身を含む): 53646120

約数和(自身を除く): 32497520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9613, 19226, 38452, 48065, 76904, 96130, 105743, 192260, 211486, 240325, 384520, 422972, 480650, 528715, 845944, 961300, 1057430, 1922600, 2114860, 2643575, 4229720, 5287150, 10574300, 21148600]

約数ペア:

[(1, 21148600), (2, 10574300), (4, 5287150), (5, 4229720), (8, 2643575), (10, 2114860), (11, 1922600), (20, 1057430), (22, 961300), (25, 845944), (40, 528715), (44, 480650), (50, 422972), (55, 384520), (88, 240325), (100, 211486), (110, 192260), (200, 105743), (220, 96130), (275, 76904), (440, 48065), (550, 38452), (1100, 19226), (2200, 9613)]