21070380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4231}}^1$

素因数の和:4326

約数の個数: 48

約数和(自身を含む): 59721984

約数和(自身を除く): 38651604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4231, 4980, 8462, 12693, 16924, 21155, 25386, 42310, 50772, 63465, 84620, 126930, 253860, 351173, 702346, 1053519, 1404692, 1755865, 2107038, 3511730, 4214076, 5267595, 7023460, 10535190, 21070380]

約数ペア:

[(1, 21070380), (2, 10535190), (3, 7023460), (4, 5267595), (5, 4214076), (6, 3511730), (10, 2107038), (12, 1755865), (15, 1404692), (20, 1053519), (30, 702346), (60, 351173), (83, 253860), (166, 126930), (249, 84620), (332, 63465), (415, 50772), (498, 42310), (830, 25386), (996, 21155), (1245, 16924), (1660, 12693), (2490, 8462), (4231, 4980)]