21370291278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{26641}}^1$

素因数の和:26993

約数の個数: 64

約数和(自身を含む): 49720366080

約数和(自身を除く): 28350074802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 269, 426, 497, 538, 807, 994, 1491, 1614, 1883, 2982, 3766, 5649, 11298, 19099, 26641, 38198, 53282, 57297, 79923, 114594, 133693, 159846, 186487, 267386, 372974, 401079, 559461, 802158, 1118922, 1891511, 3783022, 5674533, 7166429, 11349066, 13240577, 14332858, 21499287, 26481154, 39721731, 42998574, 50165003, 79443462, 100330006, 150495009, 300990018, 508816459, 1017632918, 1526449377, 3052898754, 3561715213, 7123430426, 10685145639, 21370291278]

約数ペア:

[(1, 21370291278), (2, 10685145639), (3, 7123430426), (6, 3561715213), (7, 3052898754), (14, 1526449377), (21, 1017632918), (42, 508816459), (71, 300990018), (142, 150495009), (213, 100330006), (269, 79443462), (426, 50165003), (497, 42998574), (538, 39721731), (807, 26481154), (994, 21499287), (1491, 14332858), (1614, 13240577), (1883, 11349066), (2982, 7166429), (3766, 5674533), (5649, 3783022), (11298, 1891511), (19099, 1118922), (26641, 802158), (38198, 559461), (53282, 401079), (57297, 372974), (79923, 267386), (114594, 186487), (133693, 159846)]