21608312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 46539360

約数和(自身を除く): 24931048

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 53, 82, 88, 106, 113, 164, 212, 226, 328, 424, 451, 452, 583, 902, 904, 1166, 1243, 1804, 2173, 2332, 2486, 3608, 4346, 4633, 4664, 4972, 5989, 8692, 9266, 9944, 11978, 17384, 18532, 23903, 23956, 37064, 47806, 47912, 50963, 65879, 95612, 101926, 131758, 191224, 203852, 245549, 263516, 407704, 491098, 527032, 982196, 1964392, 2701039, 5402078, 10804156, 21608312]

約数ペア:

[(1, 21608312), (2, 10804156), (4, 5402078), (8, 2701039), (11, 1964392), (22, 982196), (41, 527032), (44, 491098), (53, 407704), (82, 263516), (88, 245549), (106, 203852), (113, 191224), (164, 131758), (212, 101926), (226, 95612), (328, 65879), (424, 50963), (451, 47912), (452, 47806), (583, 37064), (902, 23956), (904, 23903), (1166, 18532), (1243, 17384), (1804, 11978), (2173, 9944), (2332, 9266), (2486, 8692), (3608, 5989), (4346, 4972), (4633, 4664)]