21912408

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{6211}}^1$

素因数の和:6237

約数の個数: 72

約数和(自身を含む): 69046380

約数和(自身を除く): 47133972

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 6211, 12422, 18633, 24844, 37266, 43477, 49688, 55899, 74532, 86954, 111798, 130431, 149064, 173908, 223596, 260862, 304339, 347816, 391293, 447192, 521724, 608678, 782586, 913017, 1043448, 1217356, 1565172, 1826034, 2434712, 2739051, 3130344, 3652068, 5478102, 7304136, 10956204, 21912408]

約数ペア:

[(1, 21912408), (2, 10956204), (3, 7304136), (4, 5478102), (6, 3652068), (7, 3130344), (8, 2739051), (9, 2434712), (12, 1826034), (14, 1565172), (18, 1217356), (21, 1043448), (24, 913017), (28, 782586), (36, 608678), (42, 521724), (49, 447192), (56, 391293), (63, 347816), (72, 304339), (84, 260862), (98, 223596), (126, 173908), (147, 149064), (168, 130431), (196, 111798), (252, 86954), (294, 74532), (392, 55899), (441, 49688), (504, 43477), (588, 37266), (882, 24844), (1176, 18633), (1764, 12422), (3528, 6211)]