21898833140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^2\times {\mathrm{937}}^1$

素因数の和:1086

約数の個数: 108

約数和(自身を含む): 49170974916

約数和(自身を除く): 27272141776

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 529, 937, 940, 1058, 1081, 1874, 2116, 2162, 2209, 2645, 3748, 4324, 4418, 4685, 5290, 5405, 8836, 9370, 10580, 10810, 11045, 18740, 21551, 21620, 22090, 24863, 43102, 44039, 44180, 49726, 50807, 86204, 88078, 99452, 101614, 107755, 124315, 176156, 203228, 215510, 220195, 248630, 254035, 431020, 440390, 495673, 497260, 508070, 880780, 991346, 1012897, 1016140, 1168561, 1982692, 2025794, 2069833, 2337122, 2478365, 4051588, 4139666, 4674244, 4956730, 5064485, 5842805, 8279332, 9913460, 10128970, 10349165, 11685610, 20257940, 20698330, 23296631, 23371220, 41396660, 46593262, 47606159, 93186524, 95212318, 116483155, 190424636, 232966310, 238030795, 465932620, 476061590, 952123180, 1094941657, 2189883314, 4379766628, 5474708285, 10949416570, 21898833140]

約数ペア:

[(1, 21898833140), (2, 10949416570), (4, 5474708285), (5, 4379766628), (10, 2189883314), (20, 1094941657), (23, 952123180), (46, 476061590), (47, 465932620), (92, 238030795), (94, 232966310), (115, 190424636), (188, 116483155), (230, 95212318), (235, 93186524), (460, 47606159), (470, 46593262), (529, 41396660), (937, 23371220), (940, 23296631), (1058, 20698330), (1081, 20257940), (1874, 11685610), (2116, 10349165), (2162, 10128970), (2209, 9913460), (2645, 8279332), (3748, 5842805), (4324, 5064485), (4418, 4956730), (4685, 4674244), (5290, 4139666), (5405, 4051588), (8836, 2478365), (9370, 2337122), (10580, 2069833), (10810, 2025794), (11045, 1982692), (18740, 1168561), (21551, 1016140), (21620, 1012897), (22090, 991346), (24863, 880780), (43102, 508070), (44039, 497260), (44180, 495673), (49726, 440390), (50807, 431020), (86204, 254035), (88078, 248630), (99452, 220195), (101614, 215510), (107755, 203228), (124315, 176156)]