21766020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 65412480

約数和(自身を除く): 43646460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 228, 244, 285, 305, 313, 366, 380, 570, 610, 626, 732, 915, 939, 1140, 1159, 1220, 1252, 1565, 1830, 1878, 2318, 3130, 3477, 3660, 3756, 4636, 4695, 5795, 5947, 6260, 6954, 9390, 11590, 11894, 13908, 17385, 17841, 18780, 19093, 23180, 23788, 29735, 34770, 35682, 38186, 57279, 59470, 69540, 71364, 76372, 89205, 95465, 114558, 118940, 178410, 190930, 229116, 286395, 356820, 362767, 381860, 572790, 725534, 1088301, 1145580, 1451068, 1813835, 2176602, 3627670, 4353204, 5441505, 7255340, 10883010, 21766020]

約数ペア:

[(1, 21766020), (2, 10883010), (3, 7255340), (4, 5441505), (5, 4353204), (6, 3627670), (10, 2176602), (12, 1813835), (15, 1451068), (19, 1145580), (20, 1088301), (30, 725534), (38, 572790), (57, 381860), (60, 362767), (61, 356820), (76, 286395), (95, 229116), (114, 190930), (122, 178410), (183, 118940), (190, 114558), (228, 95465), (244, 89205), (285, 76372), (305, 71364), (313, 69540), (366, 59470), (380, 57279), (570, 38186), (610, 35682), (626, 34770), (732, 29735), (915, 23788), (939, 23180), (1140, 19093), (1159, 18780), (1220, 17841), (1252, 17385), (1565, 13908), (1830, 11894), (1878, 11590), (2318, 9390), (3130, 6954), (3477, 6260), (3660, 5947), (3756, 5795), (4636, 4695)]