21155888930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1\times {\mathrm{3359}}^1$

素因数の和:5255

約数の個数: 64

約数和(自身を含む): 42918543360

約数和(自身を除く): 21762654430

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 1847, 3359, 3410, 3694, 6718, 9235, 16795, 18470, 20317, 33590, 36949, 40634, 57257, 73898, 101585, 104129, 114514, 184745, 203170, 208258, 286285, 369490, 520645, 572570, 629827, 1041290, 1145419, 1259654, 2290838, 3149135, 5727095, 6204073, 6298270, 11454190, 12408146, 31020365, 62040730, 68244803, 136489606, 192326263, 341224015, 384652526, 682448030, 961631315, 1923262630, 2115588893, 4231177786, 10577944465, 21155888930]

約数ペア:

[(1, 21155888930), (2, 10577944465), (5, 4231177786), (10, 2115588893), (11, 1923262630), (22, 961631315), (31, 682448030), (55, 384652526), (62, 341224015), (110, 192326263), (155, 136489606), (310, 68244803), (341, 62040730), (682, 31020365), (1705, 12408146), (1847, 11454190), (3359, 6298270), (3410, 6204073), (3694, 5727095), (6718, 3149135), (9235, 2290838), (16795, 1259654), (18470, 1145419), (20317, 1041290), (33590, 629827), (36949, 572570), (40634, 520645), (57257, 369490), (73898, 286285), (101585, 208258), (104129, 203170), (114514, 184745)]