21823260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{653}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 61308576

約数和(自身を除く): 39485316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 653, 1114, 1306, 1671, 1959, 2228, 2612, 2785, 3265, 3342, 3918, 5570, 6530, 6684, 7836, 8355, 9795, 11140, 13060, 16710, 19590, 33420, 39180, 363721, 727442, 1091163, 1454884, 1818605, 2182326, 3637210, 4364652, 5455815, 7274420, 10911630, 21823260]

約数ペア:

[(1, 21823260), (2, 10911630), (3, 7274420), (4, 5455815), (5, 4364652), (6, 3637210), (10, 2182326), (12, 1818605), (15, 1454884), (20, 1091163), (30, 727442), (60, 363721), (557, 39180), (653, 33420), (1114, 19590), (1306, 16710), (1671, 13060), (1959, 11140), (2228, 9795), (2612, 8355), (2785, 7836), (3265, 6684), (3342, 6530), (3918, 5570)]