21501674784

素因数分解:

$2^5\times 3^2\times {\mathrm{509}}^1\times {\mathrm{146677}}^1$

素因数の和:147202

約数の個数: 72

約数和(自身を含む): 61265933820

約数和(自身を除く): 39764259036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 509, 1018, 1527, 2036, 3054, 4072, 4581, 6108, 8144, 9162, 12216, 16288, 18324, 24432, 36648, 48864, 73296, 146592, 146677, 293354, 440031, 586708, 880062, 1173416, 1320093, 1760124, 2346832, 2640186, 3520248, 4693664, 5280372, 7040496, 10560744, 14080992, 21121488, 42242976, 74658593, 149317186, 223975779, 298634372, 447951558, 597268744, 671927337, 895903116, 1194537488, 1343854674, 1791806232, 2389074976, 2687709348, 3583612464, 5375418696, 7167224928, 10750837392, 21501674784]

約数ペア:

[(1, 21501674784), (2, 10750837392), (3, 7167224928), (4, 5375418696), (6, 3583612464), (8, 2687709348), (9, 2389074976), (12, 1791806232), (16, 1343854674), (18, 1194537488), (24, 895903116), (32, 671927337), (36, 597268744), (48, 447951558), (72, 298634372), (96, 223975779), (144, 149317186), (288, 74658593), (509, 42242976), (1018, 21121488), (1527, 14080992), (2036, 10560744), (3054, 7040496), (4072, 5280372), (4581, 4693664), (6108, 3520248), (8144, 2640186), (9162, 2346832), (12216, 1760124), (16288, 1320093), (18324, 1173416), (24432, 880062), (36648, 586708), (48864, 440031), (73296, 293354), (146592, 146677)]