21264444

素因数分解:

$2^2\times 3^5\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 56504448

約数和(自身を除く): 35240004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 167, 243, 262, 324, 334, 393, 486, 501, 524, 668, 786, 972, 1002, 1179, 1503, 1572, 2004, 2358, 3006, 3537, 4509, 4716, 6012, 7074, 9018, 10611, 13527, 14148, 18036, 21222, 21877, 27054, 31833, 40581, 42444, 43754, 54108, 63666, 65631, 81162, 87508, 127332, 131262, 162324, 196893, 262524, 393786, 590679, 787572, 1181358, 1772037, 2362716, 3544074, 5316111, 7088148, 10632222, 21264444]

約数ペア:

[(1, 21264444), (2, 10632222), (3, 7088148), (4, 5316111), (6, 3544074), (9, 2362716), (12, 1772037), (18, 1181358), (27, 787572), (36, 590679), (54, 393786), (81, 262524), (108, 196893), (131, 162324), (162, 131262), (167, 127332), (243, 87508), (262, 81162), (324, 65631), (334, 63666), (393, 54108), (486, 43754), (501, 42444), (524, 40581), (668, 31833), (786, 27054), (972, 21877), (1002, 21222), (1179, 18036), (1503, 14148), (1572, 13527), (2004, 10611), (2358, 9018), (3006, 7074), (3537, 6012), (4509, 4716)]