21692490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2003}}^1$

素因数の和:2051

約数の個数: 48

約数和(自身を含む): 54973728

約数和(自身を除く): 33281238

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1805, 2003, 2166, 3610, 4006, 5415, 6009, 10015, 10830, 12018, 20030, 30045, 38057, 60090, 76114, 114171, 190285, 228342, 380570, 570855, 723083, 1141710, 1446166, 2169249, 3615415, 4338498, 7230830, 10846245, 21692490]

約数ペア:

[(1, 21692490), (2, 10846245), (3, 7230830), (5, 4338498), (6, 3615415), (10, 2169249), (15, 1446166), (19, 1141710), (30, 723083), (38, 570855), (57, 380570), (95, 228342), (114, 190285), (190, 114171), (285, 76114), (361, 60090), (570, 38057), (722, 30045), (1083, 20030), (1805, 12018), (2003, 10830), (2166, 10015), (3610, 6009), (4006, 5415)]