21497910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 59415552

約数和(自身を除く): 37917642

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 167, 210, 334, 501, 613, 835, 1002, 1169, 1226, 1670, 1839, 2338, 2505, 3065, 3507, 3678, 4291, 5010, 5845, 6130, 7014, 8582, 9195, 11690, 12873, 17535, 18390, 21455, 25746, 35070, 42910, 64365, 102371, 128730, 204742, 307113, 511855, 614226, 716597, 1023710, 1433194, 1535565, 2149791, 3071130, 3582985, 4299582, 7165970, 10748955, 21497910]

約数ペア:

[(1, 21497910), (2, 10748955), (3, 7165970), (5, 4299582), (6, 3582985), (7, 3071130), (10, 2149791), (14, 1535565), (15, 1433194), (21, 1023710), (30, 716597), (35, 614226), (42, 511855), (70, 307113), (105, 204742), (167, 128730), (210, 102371), (334, 64365), (501, 42910), (613, 35070), (835, 25746), (1002, 21455), (1169, 18390), (1226, 17535), (1670, 12873), (1839, 11690), (2338, 9195), (2505, 8582), (3065, 7014), (3507, 6130), (3678, 5845), (4291, 5010)]