21968226

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 56505600

約数和(自身を除く): 34537374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 534, 623, 653, 801, 1246, 1306, 1602, 1869, 1959, 2403, 3738, 3918, 4571, 4806, 5607, 5877, 9142, 11214, 11754, 13713, 16821, 17631, 27426, 33642, 35262, 41139, 58117, 82278, 116234, 123417, 174351, 246834, 348702, 406819, 523053, 813638, 1046106, 1220457, 1569159, 2440914, 3138318, 3661371, 7322742, 10984113, 21968226]

約数ペア:

[(1, 21968226), (2, 10984113), (3, 7322742), (6, 3661371), (7, 3138318), (9, 2440914), (14, 1569159), (18, 1220457), (21, 1046106), (27, 813638), (42, 523053), (54, 406819), (63, 348702), (89, 246834), (126, 174351), (178, 123417), (189, 116234), (267, 82278), (378, 58117), (534, 41139), (623, 35262), (653, 33642), (801, 27426), (1246, 17631), (1306, 16821), (1602, 13713), (1869, 11754), (1959, 11214), (2403, 9142), (3738, 5877), (3918, 5607), (4571, 4806)]