21489324

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 52663296

約数和(自身を除く): 31173972

約数列:

[1, 2, 3, 4, 6, 12, 31, 61, 62, 93, 122, 124, 183, 186, 244, 366, 372, 732, 947, 1891, 1894, 2841, 3782, 3788, 5673, 5682, 7564, 11346, 11364, 22692, 29357, 57767, 58714, 88071, 115534, 117428, 173301, 176142, 231068, 346602, 352284, 693204, 1790777, 3581554, 5372331, 7163108, 10744662, 21489324]

約数ペア:

[(1, 21489324), (2, 10744662), (3, 7163108), (4, 5372331), (6, 3581554), (12, 1790777), (31, 693204), (61, 352284), (62, 346602), (93, 231068), (122, 176142), (124, 173301), (183, 117428), (186, 115534), (244, 88071), (366, 58714), (372, 57767), (732, 29357), (947, 22692), (1891, 11364), (1894, 11346), (2841, 7564), (3782, 5682), (3788, 5673)]