21863660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 58084992

約数和(自身を除く): 36221332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 91, 130, 140, 164, 182, 205, 260, 287, 293, 364, 410, 455, 533, 574, 586, 820, 910, 1066, 1148, 1172, 1435, 1465, 1820, 2051, 2132, 2665, 2870, 2930, 3731, 3809, 4102, 5330, 5740, 5860, 7462, 7618, 8204, 10255, 10660, 12013, 14924, 15236, 18655, 19045, 20510, 24026, 26663, 37310, 38090, 41020, 48052, 53326, 60065, 74620, 76180, 84091, 106652, 120130, 133315, 156169, 168182, 240260, 266630, 312338, 336364, 420455, 533260, 624676, 780845, 840910, 1093183, 1561690, 1681820, 2186366, 3123380, 4372732, 5465915, 10931830, 21863660]

約数ペア:

[(1, 21863660), (2, 10931830), (4, 5465915), (5, 4372732), (7, 3123380), (10, 2186366), (13, 1681820), (14, 1561690), (20, 1093183), (26, 840910), (28, 780845), (35, 624676), (41, 533260), (52, 420455), (65, 336364), (70, 312338), (82, 266630), (91, 240260), (130, 168182), (140, 156169), (164, 133315), (182, 120130), (205, 106652), (260, 84091), (287, 76180), (293, 74620), (364, 60065), (410, 53326), (455, 48052), (533, 41020), (574, 38090), (586, 37310), (820, 26663), (910, 24026), (1066, 20510), (1148, 19045), (1172, 18655), (1435, 15236), (1465, 14924), (1820, 12013), (2051, 10660), (2132, 10255), (2665, 8204), (2870, 7618), (2930, 7462), (3731, 5860), (3809, 5740), (4102, 5330)]