21858930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4261}}^1$

素因数の和:4296

約数の個数: 64

約数和(自身を含む): 61372800

約数和(自身を除く): 39513870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4261, 5130, 8522, 12783, 21305, 25566, 38349, 42610, 63915, 76698, 80959, 115047, 127830, 161918, 191745, 230094, 242877, 383490, 404795, 485754, 575235, 728631, 809590, 1150470, 1214385, 1457262, 2185893, 2428770, 3643155, 4371786, 7286310, 10929465, 21858930]

約数ペア:

[(1, 21858930), (2, 10929465), (3, 7286310), (5, 4371786), (6, 3643155), (9, 2428770), (10, 2185893), (15, 1457262), (18, 1214385), (19, 1150470), (27, 809590), (30, 728631), (38, 575235), (45, 485754), (54, 404795), (57, 383490), (90, 242877), (95, 230094), (114, 191745), (135, 161918), (171, 127830), (190, 115047), (270, 80959), (285, 76698), (342, 63915), (513, 42610), (570, 38349), (855, 25566), (1026, 21305), (1710, 12783), (2565, 8522), (4261, 5130)]