21000604356

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{1523}}^1\times {\mathrm{22531}}^1$

素因数の和:24081

約数の個数: 72

約数和(自身を含む): 56246901984

約数和(自身を除く): 35246297628

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 1523, 3046, 4569, 6092, 9138, 13707, 18276, 22531, 25891, 27414, 45062, 51782, 54828, 67593, 77673, 90124, 103564, 135186, 155346, 202779, 233019, 270372, 310692, 383027, 405558, 466038, 766054, 811116, 932076, 1149081, 1532108, 2298162, 3447243, 4596324, 6894486, 13788972, 34314713, 68629426, 102944139, 137258852, 205888278, 308832417, 411776556, 583350121, 617664834, 1166700242, 1235329668, 1750050363, 2333400484, 3500100726, 5250151089, 7000201452, 10500302178, 21000604356]

約数ペア:

[(1, 21000604356), (2, 10500302178), (3, 7000201452), (4, 5250151089), (6, 3500100726), (9, 2333400484), (12, 1750050363), (17, 1235329668), (18, 1166700242), (34, 617664834), (36, 583350121), (51, 411776556), (68, 308832417), (102, 205888278), (153, 137258852), (204, 102944139), (306, 68629426), (612, 34314713), (1523, 13788972), (3046, 6894486), (4569, 4596324), (6092, 3447243), (9138, 2298162), (13707, 1532108), (18276, 1149081), (22531, 932076), (25891, 811116), (27414, 766054), (45062, 466038), (51782, 405558), (54828, 383027), (67593, 310692), (77673, 270372), (90124, 233019), (103564, 202779), (135186, 155346)]