21217939680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6314863}}^1$

素因数の和:6314888

約数の個数: 96

約数和(自身を含む): 76384594944

約数和(自身を除く): 55166655264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6314863, 12629726, 18944589, 25259452, 31574315, 37889178, 44204041, 50518904, 63148630, 75778356, 88408082, 94722945, 101037808, 126297260, 132612123, 151556712, 176816164, 189445890, 202075616, 221020205, 252594520, 265224246, 303113424, 353632328, 378891780, 442040410, 505189040, 530448492, 606226848, 663060615, 707264656, 757783560, 884080820, 1010378080, 1060896984, 1326121230, 1414529312, 1515567120, 1768161640, 2121793968, 2652242460, 3031134240, 3536323280, 4243587936, 5304484920, 7072646560, 10608969840, 21217939680]

約数ペア:

[(1, 21217939680), (2, 10608969840), (3, 7072646560), (4, 5304484920), (5, 4243587936), (6, 3536323280), (7, 3031134240), (8, 2652242460), (10, 2121793968), (12, 1768161640), (14, 1515567120), (15, 1414529312), (16, 1326121230), (20, 1060896984), (21, 1010378080), (24, 884080820), (28, 757783560), (30, 707264656), (32, 663060615), (35, 606226848), (40, 530448492), (42, 505189040), (48, 442040410), (56, 378891780), (60, 353632328), (70, 303113424), (80, 265224246), (84, 252594520), (96, 221020205), (105, 202075616), (112, 189445890), (120, 176816164), (140, 151556712), (160, 132612123), (168, 126297260), (210, 101037808), (224, 94722945), (240, 88408082), (280, 75778356), (336, 63148630), (420, 50518904), (480, 44204041), (560, 37889178), (672, 31574315), (840, 25259452), (1120, 18944589), (1680, 12629726), (3360, 6314863)]