21166380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2100

約数の個数: 96

約数和(自身を含む): 69350400

約数和(自身を除く): 48184020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2063, 2565, 3420, 4126, 5130, 6189, 8252, 10260, 10315, 12378, 18567, 20630, 24756, 30945, 37134, 39197, 41260, 55701, 61890, 74268, 78394, 92835, 111402, 117591, 123780, 156788, 185670, 195985, 222804, 235182, 278505, 352773, 371340, 391970, 470364, 557010, 587955, 705546, 783940, 1058319, 1114020, 1175910, 1411092, 1763865, 2116638, 2351820, 3527730, 4233276, 5291595, 7055460, 10583190, 21166380]

約数ペア:

[(1, 21166380), (2, 10583190), (3, 7055460), (4, 5291595), (5, 4233276), (6, 3527730), (9, 2351820), (10, 2116638), (12, 1763865), (15, 1411092), (18, 1175910), (19, 1114020), (20, 1058319), (27, 783940), (30, 705546), (36, 587955), (38, 557010), (45, 470364), (54, 391970), (57, 371340), (60, 352773), (76, 278505), (90, 235182), (95, 222804), (108, 195985), (114, 185670), (135, 156788), (171, 123780), (180, 117591), (190, 111402), (228, 92835), (270, 78394), (285, 74268), (342, 61890), (380, 55701), (513, 41260), (540, 39197), (570, 37134), (684, 30945), (855, 24756), (1026, 20630), (1140, 18567), (1710, 12378), (2052, 10315), (2063, 10260), (2565, 8252), (3420, 6189), (4126, 5130)]