21221781720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9307799}}^1$

素因数の和:9307832

約数の個数: 64

約数和(自身を含む): 67016160000

約数和(自身を除く): 45794378280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9307799, 18615598, 27923397, 37231196, 46538995, 55846794, 74462392, 93077990, 111693588, 139616985, 176848181, 186155980, 223387176, 279233970, 353696362, 372311960, 530544543, 558467940, 707392724, 884240905, 1061089086, 1116935880, 1414785448, 1768481810, 2122178172, 2652722715, 3536963620, 4244356344, 5305445430, 7073927240, 10610890860, 21221781720]

約数ペア:

[(1, 21221781720), (2, 10610890860), (3, 7073927240), (4, 5305445430), (5, 4244356344), (6, 3536963620), (8, 2652722715), (10, 2122178172), (12, 1768481810), (15, 1414785448), (19, 1116935880), (20, 1061089086), (24, 884240905), (30, 707392724), (38, 558467940), (40, 530544543), (57, 372311960), (60, 353696362), (76, 279233970), (95, 223387176), (114, 186155980), (120, 176848181), (152, 139616985), (190, 111693588), (228, 93077990), (285, 74462392), (380, 55846794), (456, 46538995), (570, 37231196), (760, 27923397), (1140, 18615598), (2280, 9307799)]