21596970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 57293568

約数和(自身を除く): 35696598

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 47, 51, 53, 85, 94, 102, 106, 141, 159, 170, 235, 255, 265, 282, 289, 318, 470, 510, 530, 578, 705, 795, 799, 867, 901, 1410, 1445, 1590, 1598, 1734, 1802, 2397, 2491, 2703, 2890, 3995, 4335, 4505, 4794, 4982, 5406, 7473, 7990, 8670, 9010, 11985, 12455, 13515, 13583, 14946, 15317, 23970, 24910, 27030, 27166, 30634, 37365, 40749, 42347, 45951, 67915, 74730, 76585, 81498, 84694, 91902, 127041, 135830, 153170, 203745, 211735, 229755, 254082, 407490, 423470, 459510, 635205, 719899, 1270410, 1439798, 2159697, 3599495, 4319394, 7198990, 10798485, 21596970]

約数ペア:

[(1, 21596970), (2, 10798485), (3, 7198990), (5, 4319394), (6, 3599495), (10, 2159697), (15, 1439798), (17, 1270410), (30, 719899), (34, 635205), (47, 459510), (51, 423470), (53, 407490), (85, 254082), (94, 229755), (102, 211735), (106, 203745), (141, 153170), (159, 135830), (170, 127041), (235, 91902), (255, 84694), (265, 81498), (282, 76585), (289, 74730), (318, 67915), (470, 45951), (510, 42347), (530, 40749), (578, 37365), (705, 30634), (795, 27166), (799, 27030), (867, 24910), (901, 23970), (1410, 15317), (1445, 14946), (1590, 13583), (1598, 13515), (1734, 12455), (1802, 11985), (2397, 9010), (2491, 8670), (2703, 7990), (2890, 7473), (3995, 5406), (4335, 4982), (4505, 4794)]