21916170

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 39410550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 243, 261, 270, 290, 311, 405, 435, 486, 522, 622, 783, 810, 870, 933, 1215, 1305, 1555, 1566, 1866, 2349, 2430, 2610, 2799, 3110, 3915, 4665, 4698, 5598, 7047, 7830, 8397, 9019, 9330, 11745, 13995, 14094, 16794, 18038, 23490, 25191, 27057, 27990, 35235, 41985, 45095, 50382, 54114, 70470, 75573, 81171, 83970, 90190, 125955, 135285, 151146, 162342, 243513, 251910, 270570, 377865, 405855, 487026, 730539, 755730, 811710, 1217565, 1461078, 2191617, 2435130, 3652695, 4383234, 7305390, 10958085, 21916170]

約数ペア:

[(1, 21916170), (2, 10958085), (3, 7305390), (5, 4383234), (6, 3652695), (9, 2435130), (10, 2191617), (15, 1461078), (18, 1217565), (27, 811710), (29, 755730), (30, 730539), (45, 487026), (54, 405855), (58, 377865), (81, 270570), (87, 251910), (90, 243513), (135, 162342), (145, 151146), (162, 135285), (174, 125955), (243, 90190), (261, 83970), (270, 81171), (290, 75573), (311, 70470), (405, 54114), (435, 50382), (486, 45095), (522, 41985), (622, 35235), (783, 27990), (810, 27057), (870, 25191), (933, 23490), (1215, 18038), (1305, 16794), (1555, 14094), (1566, 13995), (1866, 11745), (2349, 9330), (2430, 9019), (2610, 8397), (2799, 7830), (3110, 7047), (3915, 5598), (4665, 4698)]