21707040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1162

約数の個数: 96

約数和(自身を含む): 70108416

約数和(自身を除く): 48401376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1103, 1230, 1312, 1640, 1968, 2206, 2460, 3280, 3309, 3936, 4412, 4920, 5515, 6560, 6618, 8824, 9840, 11030, 13236, 16545, 17648, 19680, 22060, 26472, 33090, 35296, 44120, 45223, 52944, 66180, 88240, 90446, 105888, 132360, 135669, 176480, 180892, 226115, 264720, 271338, 361784, 452230, 529440, 542676, 678345, 723568, 904460, 1085352, 1356690, 1447136, 1808920, 2170704, 2713380, 3617840, 4341408, 5426760, 7235680, 10853520, 21707040]

約数ペア:

[(1, 21707040), (2, 10853520), (3, 7235680), (4, 5426760), (5, 4341408), (6, 3617840), (8, 2713380), (10, 2170704), (12, 1808920), (15, 1447136), (16, 1356690), (20, 1085352), (24, 904460), (30, 723568), (32, 678345), (40, 542676), (41, 529440), (48, 452230), (60, 361784), (80, 271338), (82, 264720), (96, 226115), (120, 180892), (123, 176480), (160, 135669), (164, 132360), (205, 105888), (240, 90446), (246, 88240), (328, 66180), (410, 52944), (480, 45223), (492, 44120), (615, 35296), (656, 33090), (820, 26472), (984, 22060), (1103, 19680), (1230, 17648), (1312, 16545), (1640, 13236), (1968, 11030), (2206, 9840), (2460, 8824), (3280, 6618), (3309, 6560), (3936, 5515), (4412, 4920)]