21392898

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 26991102

約数列:

[1, 2, 3, 6, 19, 23, 38, 41, 46, 57, 69, 82, 114, 123, 138, 199, 246, 398, 437, 597, 779, 874, 943, 1194, 1311, 1558, 1886, 2337, 2622, 2829, 3781, 4577, 4674, 5658, 7562, 8159, 9154, 11343, 13731, 16318, 17917, 22686, 24477, 27462, 35834, 48954, 53751, 86963, 107502, 155021, 173926, 187657, 260889, 310042, 375314, 465063, 521778, 562971, 930126, 1125942, 3565483, 7130966, 10696449, 21392898]

約数ペア:

[(1, 21392898), (2, 10696449), (3, 7130966), (6, 3565483), (19, 1125942), (23, 930126), (38, 562971), (41, 521778), (46, 465063), (57, 375314), (69, 310042), (82, 260889), (114, 187657), (123, 173926), (138, 155021), (199, 107502), (246, 86963), (398, 53751), (437, 48954), (597, 35834), (779, 27462), (874, 24477), (943, 22686), (1194, 17917), (1311, 16318), (1558, 13731), (1886, 11343), (2337, 9154), (2622, 8159), (2829, 7562), (3781, 5658), (4577, 4674)]