21012792

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 55234560

約数和(自身を除く): 34221768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 61, 62, 93, 122, 124, 183, 186, 244, 248, 366, 372, 463, 488, 732, 744, 926, 1389, 1464, 1852, 1891, 2778, 3704, 3782, 5556, 5673, 7564, 11112, 11346, 14353, 15128, 22692, 28243, 28706, 43059, 45384, 56486, 57412, 84729, 86118, 112972, 114824, 169458, 172236, 225944, 338916, 344472, 677832, 875533, 1751066, 2626599, 3502132, 5253198, 7004264, 10506396, 21012792]

約数ペア:

[(1, 21012792), (2, 10506396), (3, 7004264), (4, 5253198), (6, 3502132), (8, 2626599), (12, 1751066), (24, 875533), (31, 677832), (61, 344472), (62, 338916), (93, 225944), (122, 172236), (124, 169458), (183, 114824), (186, 112972), (244, 86118), (248, 84729), (366, 57412), (372, 56486), (463, 45384), (488, 43059), (732, 28706), (744, 28243), (926, 22692), (1389, 15128), (1464, 14353), (1852, 11346), (1891, 11112), (2778, 7564), (3704, 5673), (3782, 5556)]