21464148

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 53867520

約数和(自身を除く): 32403372

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 114, 141, 188, 228, 282, 564, 893, 1786, 2003, 2679, 3572, 4006, 5358, 6009, 8012, 10716, 12018, 24036, 38057, 76114, 94141, 114171, 152228, 188282, 228342, 282423, 376564, 456684, 564846, 1129692, 1788679, 3577358, 5366037, 7154716, 10732074, 21464148]

約数ペア:

[(1, 21464148), (2, 10732074), (3, 7154716), (4, 5366037), (6, 3577358), (12, 1788679), (19, 1129692), (38, 564846), (47, 456684), (57, 376564), (76, 282423), (94, 228342), (114, 188282), (141, 152228), (188, 114171), (228, 94141), (282, 76114), (564, 38057), (893, 24036), (1786, 12018), (2003, 10716), (2679, 8012), (3572, 6009), (4006, 5358)]