21889596

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 55985664

約数和(自身を除く): 34096068

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 163, 186, 228, 326, 361, 372, 489, 589, 652, 722, 978, 1083, 1178, 1444, 1767, 1956, 2166, 2356, 3097, 3534, 4332, 5053, 6194, 7068, 9291, 10106, 11191, 12388, 15159, 18582, 20212, 22382, 30318, 33573, 37164, 44764, 58843, 60636, 67146, 96007, 117686, 134292, 176529, 192014, 235372, 288021, 353058, 384028, 576042, 706116, 1152084, 1824133, 3648266, 5472399, 7296532, 10944798, 21889596]

約数ペア:

[(1, 21889596), (2, 10944798), (3, 7296532), (4, 5472399), (6, 3648266), (12, 1824133), (19, 1152084), (31, 706116), (38, 576042), (57, 384028), (62, 353058), (76, 288021), (93, 235372), (114, 192014), (124, 176529), (163, 134292), (186, 117686), (228, 96007), (326, 67146), (361, 60636), (372, 58843), (489, 44764), (589, 37164), (652, 33573), (722, 30318), (978, 22382), (1083, 20212), (1178, 18582), (1444, 15159), (1767, 12388), (1956, 11191), (2166, 10106), (2356, 9291), (3097, 7068), (3534, 6194), (4332, 5053)]