21986988

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 35589972

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 41, 46, 58, 67, 69, 82, 87, 92, 116, 123, 134, 138, 164, 174, 201, 246, 268, 276, 348, 402, 492, 667, 804, 943, 1189, 1334, 1541, 1886, 1943, 2001, 2378, 2668, 2747, 2829, 3082, 3567, 3772, 3886, 4002, 4623, 4756, 5494, 5658, 5829, 6164, 7134, 7772, 8004, 8241, 9246, 10988, 11316, 11658, 14268, 16482, 18492, 23316, 27347, 32964, 44689, 54694, 63181, 79663, 82041, 89378, 109388, 126362, 134067, 159326, 164082, 178756, 189543, 238989, 252724, 268134, 318652, 328164, 379086, 477978, 536268, 758172, 955956, 1832249, 3664498, 5496747, 7328996, 10993494, 21986988]

約数ペア:

[(1, 21986988), (2, 10993494), (3, 7328996), (4, 5496747), (6, 3664498), (12, 1832249), (23, 955956), (29, 758172), (41, 536268), (46, 477978), (58, 379086), (67, 328164), (69, 318652), (82, 268134), (87, 252724), (92, 238989), (116, 189543), (123, 178756), (134, 164082), (138, 159326), (164, 134067), (174, 126362), (201, 109388), (246, 89378), (268, 82041), (276, 79663), (348, 63181), (402, 54694), (492, 44689), (667, 32964), (804, 27347), (943, 23316), (1189, 18492), (1334, 16482), (1541, 14268), (1886, 11658), (1943, 11316), (2001, 10988), (2378, 9246), (2668, 8241), (2747, 8004), (2829, 7772), (3082, 7134), (3567, 6164), (3772, 5829), (3886, 5658), (4002, 5494), (4623, 4756)]