21968370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 62337600

約数和(自身を除く): 40369230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 38, 45, 57, 58, 87, 90, 95, 114, 145, 171, 174, 190, 261, 285, 290, 342, 435, 443, 522, 551, 570, 855, 870, 886, 1102, 1305, 1329, 1653, 1710, 2215, 2610, 2658, 2755, 3306, 3987, 4430, 4959, 5510, 6645, 7974, 8265, 8417, 9918, 12847, 13290, 16530, 16834, 19935, 24795, 25251, 25694, 38541, 39870, 42085, 49590, 50502, 64235, 75753, 77082, 84170, 115623, 126255, 128470, 151506, 192705, 231246, 244093, 252510, 378765, 385410, 488186, 578115, 732279, 757530, 1156230, 1220465, 1464558, 2196837, 2440930, 3661395, 4393674, 7322790, 10984185, 21968370]

約数ペア:

[(1, 21968370), (2, 10984185), (3, 7322790), (5, 4393674), (6, 3661395), (9, 2440930), (10, 2196837), (15, 1464558), (18, 1220465), (19, 1156230), (29, 757530), (30, 732279), (38, 578115), (45, 488186), (57, 385410), (58, 378765), (87, 252510), (90, 244093), (95, 231246), (114, 192705), (145, 151506), (171, 128470), (174, 126255), (190, 115623), (261, 84170), (285, 77082), (290, 75753), (342, 64235), (435, 50502), (443, 49590), (522, 42085), (551, 39870), (570, 38541), (855, 25694), (870, 25251), (886, 24795), (1102, 19935), (1305, 16834), (1329, 16530), (1653, 13290), (1710, 12847), (2215, 9918), (2610, 8417), (2658, 8265), (2755, 7974), (3306, 6645), (3987, 5510), (4430, 4959)]