21811620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 65681280

約数和(自身を除く): 43869660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 53, 57, 60, 76, 95, 106, 114, 159, 190, 212, 228, 265, 285, 318, 361, 380, 530, 570, 636, 722, 795, 1007, 1060, 1083, 1140, 1444, 1590, 1805, 2014, 2166, 3021, 3180, 3610, 4028, 4332, 5035, 5415, 6042, 6859, 7220, 10070, 10830, 12084, 13718, 15105, 19133, 20140, 20577, 21660, 27436, 30210, 34295, 38266, 41154, 57399, 60420, 68590, 76532, 82308, 95665, 102885, 114798, 137180, 191330, 205770, 229596, 286995, 363527, 382660, 411540, 573990, 727054, 1090581, 1147980, 1454108, 1817635, 2181162, 3635270, 4362324, 5452905, 7270540, 10905810, 21811620]

約数ペア:

[(1, 21811620), (2, 10905810), (3, 7270540), (4, 5452905), (5, 4362324), (6, 3635270), (10, 2181162), (12, 1817635), (15, 1454108), (19, 1147980), (20, 1090581), (30, 727054), (38, 573990), (53, 411540), (57, 382660), (60, 363527), (76, 286995), (95, 229596), (106, 205770), (114, 191330), (159, 137180), (190, 114798), (212, 102885), (228, 95665), (265, 82308), (285, 76532), (318, 68590), (361, 60420), (380, 57399), (530, 41154), (570, 38266), (636, 34295), (722, 30210), (795, 27436), (1007, 21660), (1060, 20577), (1083, 20140), (1140, 19133), (1444, 15105), (1590, 13718), (1805, 12084), (2014, 10830), (2166, 10070), (3021, 7220), (3180, 6859), (3610, 6042), (4028, 5415), (4332, 5035)]