21866988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12743}}^1$

素因数の和:12774

約数の個数: 48

約数和(自身を含む): 59947776

約数和(自身を除く): 38080788

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12743, 25486, 38229, 50972, 76458, 140173, 152916, 165659, 280346, 331318, 420519, 496977, 560692, 662636, 841038, 993954, 1682076, 1822249, 1987908, 3644498, 5466747, 7288996, 10933494, 21866988]

約数ペア:

[(1, 21866988), (2, 10933494), (3, 7288996), (4, 5466747), (6, 3644498), (11, 1987908), (12, 1822249), (13, 1682076), (22, 993954), (26, 841038), (33, 662636), (39, 560692), (44, 496977), (52, 420519), (66, 331318), (78, 280346), (132, 165659), (143, 152916), (156, 140173), (286, 76458), (429, 50972), (572, 38229), (858, 25486), (1716, 12743)]